Laboratory Glassware, Equipment, Properties of Substances, and Chemical Hazard Safety

Comprehensive vocabulary flashcards covering physical properties of substances, laboratory glassware and apparatus, crossword components, safety hazard classes, and chemical warning label precautions based on the Lithuanian lecture notes.

Properties of Substances (Medžiagų savybės)

Characteristics used to describe and distinguish substances, including state of matter, color, odor, taste (if permitted), luster, density, hardness, magnetic effect, electrical conductivity, thermal conductivity, solubility in water, and flammability.

Spatula (Mentelė)

A laboratory tool used for taking or picking up solid chemical substances.

Wash Bottle (Plovyklė)

A laboratory device used for washing lab glassware with distilled water.

Balance (Svarstyklės)

A laboratory instrument used to accurately determine the mass of a substance.

Test Tube Brush (Šepetėlis)

A cleaning tool specifically used for washing test tubes.

Wurtz Flask (Viurco kolba)

A specialized flask designed for the distillation of liquids.

Flat-Bottom Flask (Plokščiadugnė kolba)

A flask designed for conducting chemical reactions; if heat-resistant, it can be heated.

Separatory Funnel (Dalijamasis piltuvas)

A piece of laboratory apparatus used to separate immiscible liquids.

Beaker (Cheminė stiklinė)

A cylindrical glass container used for carrying out chemical reactions; can be heated if heat-resistant.

Funnel (Piltuvėlis)

A cone-shaped lab tool designed for holding filter paper or safely pouring liquids into containers.

Condenser (Vėsintuvas / Šaldytuvas)

A laboratory device designed to cool vapors and convert gases back into liquids (condensation).

Laboratory Stand (Laboratorinis stovas)

A support apparatus used to mount and secure various laboratory tools and equipment setups.

Spirit Lamp (Spiritinė lemputė)

An alcohol burner used as a heat source in laboratory settings.

Round-Bottom Flask (Apvaliadugnė kolba)

A spherical flask designed for conducting chemical reactions; can be heated if it is heat-resistant.

Volumetric Flask (Matavimo kolba)

A calibrated flask designed for precise liquid volume measurement or for preparing standard solutions.

Test Tube (Mėgintuvėlis)

A small cylindrical container designed for carrying out reactions; all test tubes can be heated.

Crystallizer (Kristalizatorius)

A vessel used to cool liquids or transfer solutions; it does not have a single restricted purpose.

Dropper (Lašintuvas)

A small container or vessel designed for dispensing indicator liquids drop by drop.

Graduated Cylinder (Matavimo cilindras)

A tall, narrow container used to determine the approximate volume of liquids.

Petri Dish (Petri lėkštelė)

A shallow dish used for holding or storing chemical substances or biological samples.

Pipette (Pipetė)

A laboratory tool designed for measuring and transferring precise, small volumes of liquid.

Pasteur Pipette (Pastero pipetė)

A pipette used for measuring small volumes, allowing exact duplicate samples of a substance to be taken.

Burette (Biuretė)

A graduated glass tube with a stopcock used to dispense precise liquid volumes.

Mortar and Pestle (Grūstuvė su grūstuvėliu)

A utensil set used for crushing, grinding, and pulverizing solid chemical materials.

Evaporating Dish (Garinimo lėkštelė)

A shallow dish used for evaporating solutions until a dry solid residue remains.

Crucible (Tiglis)

A heat-resistant laboratory container designed specifically for high-temperature heating.

Test Tube Rack (Mėgintuvėlių stovas)

A stand designed to hold, store, and keep test tubes upright.

Test Tube Holder (Mėgintuvėlių laikiklis)

A clamp tool used to safely hold a test tube while it is being heated.

Conical Flask (Kūginė kolba)

A cone-shaped flask designed for conducting chemical reactions; can be heated if heat-resistant.

Menzūra

A measuring vessel used to determine approximate liquid volumes.

DNAP Abbreviation

Stands for 'DIRBANT NAUDOTI APSAUGOS PRIEMONES' (Use personal protective equipment when working).

Compressed Gas (Suslėgtosios dujos)

Pressurized gas that can burst out and cause severe hazards or explode when heated; must be protected from direct sunlight.

Explosive Substance (Sprogioji medžiaga)

Self-reactive materials that can trigger explosions; must be kept away from open flames.

Oxidizing Substance (Oksiduojančioji medžiaga)

Substances that can promote fire outbreak and explosion upon contact; must be stored away from open fire.

Flammable Substance (Degioji medžiaga)

Extremely flammable gases or solids; must be kept away from open flames, hot surfaces, and direct sunlight.

Corrosive Substance (Ėsdinančioji medžiaga)

Substances that corrode metals, cause severe skin burns, and damage eyes; includes self-heating substances releasing flammable gas with water.

Health Hazard / Irritant (Pavojinga sveikatai)

A substance that irritates skin and eyes; must be used outdoors or in a well-ventilated room with protective equipment.

Toxic Substance (Nuodingoji medžiaga)

A substance that can poison the body if swallowed or inhaled; must be kept tightly sealed and used in well-ventilated areas.

Carcinogenic Substance (Vėžį sukelianti medžiaga)

A hazardous substance whose harmful health effects do not appear immediately; must be kept locked in well-ventilated spaces.

Environmentally Hazardous Substance (Aplinkai pavojinga medžiaga)

Substances highly toxic to aquatic life causing long-term damage; must never be poured into sinks or drains.