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1. The upper oxidizing zone of a nonluminous Bunsen flame consists largely of:
A. Incandescent carbon
B. A mixture of reducing gases and oxygen
C. A large excess of oxygen
D. Nitrogen
E. Unburnt gas
C. A large excess of oxygen
2. Less volatile substances may be detected in:
A. Lower oxidizing zone
B. Upper oxidizing zone
C. Upper reducing zone
D. Lower reducing zone
E. Hottest portion of the flame
E. Hottest portion of the flame
3. Sb imparts ______ color to the nonluminous Bunsen flame
A. Crimson
B. Yellowish green
C. Green
D. Blue
E. Brick red
D. Blue
4. Tl imparts ______ color to the nonluminous Bunsen flame
A. Crimson
B. Yellowish green
C. Green
D. Blue
E. Brick red
c. Green
5. In the micro scale of qualitative analysis, the quantity of a substance employed is reduced by a factor of
A. 0.1
B. 1
C. 10
D. 100
E. 1000
D. 100
. A metallic deposit obtained after sublimation may indicate the presence of:
A. Ammonium salts
B. Sulphur
C. Mercury (I) iodide
D. Selenium (IV) oxide
E. Amalgams
E. Amalgams
The color of the flame caused by calcium chloride when viewed through cobalt glass is
A. Brick red
B. Light green
C. Violet
D. Crimson
E. Purple
idk
8. A mixture of potassium and sodium chloride will produce _______ color in the flame test.
A. Orange
B. Violet
C. Yellow
D. Red
E. Reddish orange
B. Violet
9. In the microcosmic salt bead test, the microcosmic salt _________ is used.
A. Na2B4O7.10H2O
B. Cu(BO2)2
C. Na(NH4)HPO4.4H2O
D. CuSO4.5H2O
E. NOTA
C. Na(NH4)HPO4.4H2O
10. The color of borax bead produced by cerium salts in the oxidizing flame when hot is:
A. Orange red
B. Colorless
C. Yellow
D. Rose-violet
E. Bottle green
A. Orange red
11. The upper edge of a filter paper used during filtration should be about ______ cm from the upper rim of the funnel
A. 1 cm
B. 2 cm
C. 3 cm
D. 2/3 cm
E. 0.5 cm
A. 1 cm
12. When a precipitate tends to pass through the filter paper, this salt may be added to prevent the formation of colloidal solutions.
A. Sodium chloride
B. Potassium nitrate
C. Lithium chloride
D. Ammonium nitrate
E. NOTA
D. Ammonium nitrate
13. Glass apparatus which are particularly greasy may be cleaned with
A. Hot nitric acid
B. Concentrated hydrochloric acid
C. Chromosulphuric acid
D. Perchloric acid
E. Glacial acetic acid
C. Chromosulphuric acid
14. The reaction between lead nitrate and hydrogen sulphide will yield
A. A blue solution
B. A colorless solution
C. A white precipitate
D. A yellow precipitate
E. A black precipitate
E. A black precipitate
15. This compound is formed when mercury (I) chloride dissolves in aqua regia
A. Mercury (II) amidochloride
B. Mercury (I) amidochloride
C. Mercury (I) nitrate
D. Mercury (II) nitrate
E. Mercury (II) chloride
E. Mercury (II) chloride
16. Basic mercury (II) amidonitrate exists as:
A. A black precipitate
B. A white precipitate
C. A gray precipitate
D. A colorless precipitate
E. Colorless solution
B. A white precipitate
17. The reaction between silver nitrate and potassium iodide will produce
A. A black precipitate
B. A white precipitate
C. A gray precipitate
D. A yellow precipitate
E. No precipitate
D. A yellow precipitate
18. The reaction between mercury (II) nitrate and excess potassium iodide will produce:
A. A white precipitate of potassium nitrate
B. A black deposit of metallic mercury
C. A red precipitate of mercury (II) iodide
D. A colorless solution containing tetraiodomercurate (II) ions
E. NOTA
D. A colorless solution containing tetraiodomercurate (II) ions
19. Purple colored compounds usually indicate the presence of
A. Dichromates
B. Cobalt salts
C. Permanganates
D. Purple sulphur
E. Sulphides
C. Permanganates
20. Devarda's alloy contains
A. Cu, Al, Zn
B. Cu, Ni
C. Bi, Pb, Sn
D. Ni, Fe, Cr
E. Pb, Sb, Sn
A. Cu, Al, Zn
21. A solution that yields a white precipitate with dilute HCl and dissolves in ammonia solution indicates the presence of
A. Pb 2+
B. Hg2+ 2
C. Ag+
D. Hg2+
E. NOTA
C. Ag+
. A solution that yields a white precipitate with excess reagent of ammonium carbonate indicates the presence of
A. Group I cations
B. Group II cations
C. Group III cations
D. Group IV cations
E. Group V cations
D. Group IV cations
. A solution that yields a white precipitate with excess reagent of Na2HPO4 indicates the presence of
A. Mg 2+
B. NH 4+
C. Na+
D. K+
E. NOTA
A. Mg 2+
. The most stable complexes are found by ions of these groups of elements
A. Group VI A
B. Group VII A
C. Group I B
D. Group II B
E. Group VIII
E. Group VIII
. The element that was named from a Greek word which means "acid former"
A. Hydrogen
B. Nitrogen
C. Oxygen
D. Chloride
E. Helium
C. Oxygen
. Artificial radioactive isotopes emit the following except
A. Alpha particles
B. Beta particles
C. Gamma rays
D. K capture x rays
E. NOTA
A. Alpha particles
27. Emitted when neutrons exceed protons beyond a stable ratio that occurs mainly in the elements of atomic numbers above 63
Alpha particles
Positron
Negatron
Cyclotron
K capture x rays
Negatron
The mineral spodumene contains
CaMg3(SiO3)4
Na3AIF6
CaSO4.2H2O
LiA([SiO3])2
NOTA
LiA([SiO3])2
29. Compounds formed when molecules of two different halogens react
Interhalogens
Intrahalogens
Semihalogens
Cohalides
Reaction is not possible
Interhalogens
30. CrCl2 (H2O) 4NO3 is
Aqueous chromochloronitrate
Hydrated chromodichloronitrate
Nitrated chromodichlorohydrate
Dichlorotetraaquochromium (III) nitrate
Dichlorotetraaquochromium (II) nitrate
Dichlorotetraaquochromium (III) nitrate
Ethylenediamine is a type of ligand classified as
Unidentate
Bidentate
Hexadentate
Tetradentate
Pentadentate
Bidentate
Francium has Z=
37
55
57
87
95
87
33. The most stable diatomic molecule is
Oxygen
Bromine
Nitrogen
Fluorine
NOTA
Nitrogen
The bond existing between mercury (II) fluoride is
H bond
Ionic
Covalent
Metallic bond
NOTA
Ionic
The most metallic of all halogens is
Fluorine
Chlorine
Bromine
Iodine
NOTA
Iodine
If a basic solvent is used, the iodine solution obtained is usually colored
Colorless
Violet
Orange
Blue black
Black
Orange
Linus Pauling called this element a superhalogen, probably owing to its high electronegativity value =
Fluorine
Chlorine
Bromine
Iodine
NOTA
Fluorine
This principle states that, in a stable complex, there may be no high concentration of negative or positive charge, and that charge will tend to distribute itself over the atoms within a complex in such a way that the net charge on each atom approaches zero. =
Law of Hess
Aufbau Principle
Electropositvity principle
Electronegativity principle
Electroneutrality principle
Electroneutrality principle
Oxidation of phosphorous with oxygen may yield
P4O6
P4O10
P2O4
AOTA
NOTA
AOTA
An element that has an electronegativity of 0.9 on the Pauling scale and an element with a Pauling electronegativity of 3.0 has sufficient difference to form =
Ionic bonds
Covalent bonds
Coordinate covalent bonds
H bonds
NOTA
Ionic bonds
Calcium Disodium Versenate may be used in the treatment for heavy metal poisoning, primarily that caused by
Mercury
Arsenic
Gold
Lead
NOTA
Lead
The only alkali metal that melts above the boiling point of water is
Lithium
Sodium
Potassium
Rubidium
Cesium
Lithium
Which alkali metal hydroxide has the highest alkalinity?
Lithium hydroxide
Sodium hydroxide
Potassium hydroxide
Rubidium hydroxide
Cesium hydroxide
Cesium hydroxide
. All oxides and hydroxides of the coinage metals are freely basic except for
Cu2O
Ag2O
Au2O
NOTA
AOTA
Ag2O
The reagent that will precipitate out Group I cations
Dilute hydrochloric acid
Hydrogen sulphide
Ammonium sulphide
Ammonium carbonate
Sodium biphosphate
Dilute hydrochloric acid
. Which among these acid halides has the highest acidity?
HI
HBr
HCl
HF
NOTA
HI
How many percent by weight of HCl does muriatic acid contain?
96-98%
97-99%
10-16%
35-38%
9.5-105%
35-38%
A type of water that contains iron in solution or suspension and are characterized by a ferruginous taste
Alkaline water
Carbonated water
Chalybeate water
Lithia water
Saline water
Chalybeate water
The specific gravity of sulphuric acid is
1.18
1.84
1.71
1.14
NOTA
1.84
A type of water which is sometimes known as purgative water
Alkaline water
Carbonated water
Chalybeate water
Lithia water
Saline water
Saline water
Graham's salt is
Sodium sulfate
Magnesium sulfate
Calcium phosphate
Sodium metaphosphate
Ammonium bicarbonate
Sodium metaphosphate
Parenteral preparations containing bacteriostatic water for injection may be administered through the following routes except:
Intravenous
Subcutaneous
Intramuscular
AOTA
NOTA
Intravenous
This element decreases the coefficient of expansion in glass.
Potassium
Iron
Titanium
Boron
Rare earth metals
Boron
Element that predominates in the plasma and interstitial fluids
Sodium
Potassium
Magnesium
Calcium
Iron
Sodium
he black precipitate produced in Marsh's test is
Lead
Arsenic
Silver
Hydrogen sulfide
Cadmium
Silver
The xanthoproteic test make use of this acid
Boric acid
Hydrochloric acid
Nitric acid
Sulfuric acid
Phosphoric acid
Nitric acid
Softening both temporary and permanent hard water may be achieved through:
Boiling
Clark's lime process
Demineralization
Addition of ammonia
NOTA
Demineralization
The principal anion of the intracellular fluid compartment is
Chloride
Phosphate
Sulfate
Bicarbonate
Carbonate
Phosphate
Ringer's injection contains_____ mEqs of potassium
147 mEq
130 mEq
4 mEq
2.7 mEq
NOTA
4 mEq
This is used both as a diuretic and in the treatment of chronic acidosis to restore bicarbonate reserve.
Sodium bicarbonate
Potassium bicarbonate
Sodium citrate
Sodium lactate
Ammonium chloride
Sodium citrate
Iron compound which has the superior resistance to oxidation upon exposure to air
Ferrous fumarate
Ferrous gluconate
Ferrous sulfate
Ferrous oxide
NOTA
Ferrous fumarate
Important component of the protein ceruloplasmin
Iron
Copper
Magnesium
Zinc
NOTA
Copper
Marsh test is a test for
Cadmium
Copper
Astatine
Arsenic
Lead
Arsenic
The positive result in Gutzeit's test is the presence of
White precipitate
Evolution of colorless gas
Black spot in filter paper
Effervescence in solution
Silver mirror in test tube walls
Black spot in filter paper
Decoloration of fuchsin dye indicates the presence of
Phosphates
Sulphates
Oxides
Phosphites
Sulphites
Sulphites
Prussian blue is:
Fe4[Fe(CN6)]3
The same as Turnbull's blue
Iron (III) hexacyanoferrate
AOTA
NOTA
AOTA
Deficiency of this mineral result to parakeratosis
Zinc
Iron
Copper
Magnesium
Iodine
Zinc
This metal has the capacity to displace hydrogen in solution
Platinum
Mercury
Tin
Bismuth
Copper
Tin
These salts may contain two different cations combined with a single anion or may contain a single cation combine with two or more anions.
Normal salts
Hydrogen salts
Mixed salts
Double salts
NOTA
Mixed salts
Temporary hardness of water is usually caused by the presence of:
Sodium bicarbonate
Sodium carbonate
Calcium sulfate
Magnesium carbonate
Potassium sulfate
Magnesium carbonate
The element found in human bodies that is an important constituent of xanthine oxidase and aldehyde oxidase.
Iodine
Zinc
Molybdenum
Selenium
Copper
Molybdenum
Defacqz reaction is used to test for:
Molybdenum
Tungsten
Thallium
Gallium
Gold
Tungsten
Turnbull's blue is
Fe3[Fe(CN)6]12
Iron (II) hexacyanoferrate
The same as prussian blue
AOTA
NOTA
The same as prussian blue
A precipitate may result in an unknown solution upon the addition of hydrogen sulphide if this action is present:
Ag+
As5+
Fe2+
Fe3+
Li+
As5+
This system of inorganic nomenclature cites the charge on a complex ion rather than the oxidation state of the central unit.
Stock system
Ewens-Bassett System
Classical System
Modern System
AOTA
Ewens-Bassett System
Being a bridge element, the behaviour of this element and its compound is often different that of the other members of the Group I family.
Lithium
Sodium
Ammonium
Rubidium
Cesium
Lithium
The most chemically active among the members in Group II A
Magnesium
Beryllium
Calcium
Strontium
Barium
Barium
the second most abundant element on earth
Oxygen
Nitrogen
Aluminum
Silicon
Hydrogen
Silicon
This is the product when a base like sodium carbonate is fused with pure silica.
Smectite
Talc
Silanes
Glass
Pumice
Glass
One hundred volumes of hydrogen peroxide is equal to
3%
6%
30%
70%
100%
30%
The most stable allotropic form of sulphur at room temperature
α- sulfur
β- sulfur
Г-sulfur
NOTA
AOTA
α- sulfur
The best expectorant is
KI syrup
NH4Cl solution
HI solution
H2O vapor
NOTA
H2O vapor
Fatal bends in deep sea divers are caused by gaseous_____ in the blood
Carbon monoxide
Hydrogen
Helium
Pure oxygen
Nitrogen
Nitrogen
Compounds which are capable of interfering with the passage of X rays are used as
Enema
Chemotherapeutic agents
Radiopaques
Radioisotopes
NOTA
Radiopaques
Iron oxides are usually used as
Astringents
Topical protectives
Laxatives
Pigments
Buffers
Laxatives
A green precipitate that results after a solution was neutralized with ammonia solution and after the addition of ammonium sulphide indicates the presence of:
Al3+
Mn2+
Cr3+
Co2+
Ni2+
Cr3+
Potassium alum is an example of a
Normal salt
Hydrogen salt
Mixed salt
Double salt
NOTA
Double salt
Aromatic Ammonia Spirit, USP must be stored in
PET bottles
Rubber containers
PVC containers
Amber bottles
Clear glass containers
Amber bottles
The only route of administration approved in administering Iron Dextran Injection
Intravenous
Intramuscular
Subcutaneous
Intra arterial
Intradermal
Intramuscular
This metal will not react with acids to produce hydrogen
Potassium
Aluminum
Bismuth
Strontium
Lead
Bismuth
The softest mineral known is:
Mg5(Si8O20)(OH)2.8H2O
Mg3(OH)2Si4O10
[Al4(OH)6][Si4O10)(OH2)]
CaAl2Si4O12.6H2O
NOTA
Mg3(OH)2Si4O10
A white precipitate after the addition of excess ammonium carbonate indicates the presence of
Group I cations
Group II cations
Group III cations
Group IV cations
Group V cations
Group IV cations
A basic or "sub" salt is prepared by
Partial hydrolysis of a normal salt
Partial neutralization of a hydroxide
Partial reaction with a base
A and B
B and C
A and B
. An example of an efflorescent substance is
Epsom salt
Glauber's salt
Blue vitriol
AOTA
NOTA
AOTA
Used as bone replacement for temporary braces of long bones and to close openings in the skull
Plaster of Paris
Zinc-eugenol cement
Silver
Tantalum
Adamantium
Silver
The following elements belongs to Period III of the periodic table except for:
A. Boron
B. Magnesium
C. Sulfur
D. Silicon
E. NOTA
Boron
Treatment with gold has been used in the following conditions except:
A. Rheumatoid arthritis
B. Disseminated lupus
C. Nondisseminated lupus erythematosus
D. AOTA
E. NOTA
B. Disseminated lupus
The oxidation state of sulphur that gives rise to sulphuric cid
A. -1
B. -2
C. +2
D. -3
E. +6
E. +6
Metallic mercury is soluble in the following acids except
A. Hot H2SO4
B. HI
C. HCl
D. Cold HNO3
E. NOTA
HCl
A solution prepared from the complex compound produced when mercuric iodide reacts with potassium iodide is known as:
A. Benedict's reagent
B. Valser's reagent
C. Bordeaux mixture
D. Nessler's reagent
E. Fehling's reagent
B. Valser's reagent