Acids Bases & Salts

Methyl orange indicator in acidic solution

red

Methyl orange indicator in alkaline solution

yellow

Thymolphthalein indicator in acidic solution

Stays Colourless

Thymolphthalein indicator in alkaline solution

From colourless to blue

Chemical formula for sulfuric acid

H2SO4

Chemical formula for Sulfate ion

SO4^2-

Chemical formula for nitric acid

HNO3

Chemical formula for carbonate ion

CO3^2-

Litmus indicator in acidic solution

red

Litmus indicator in alkaline solution

blue

Acid + metal (products)

hydrogen gas and salt

Ammonia gas chemical formula

NH3

Ammonium ion

NH4+

Above what pH is considered alkaline

Above 7

Under what pH is considered acidic

Below 7

Definition of “base”

What is meant by the term alkali

A soluble base

What is the usage of universal indicator

Measure approximate pH of a solution

Reactivity series mnemonic

Please Send Charlie’s Monkeys And Clever Zebras In Hard Crystal Silver Gardens

State the two amphoteric oxides

Aluminium oxide and zinc oxide. (Al2O3 and ZnO)

term given to water molecules present in hydrated crystals

Water of crystallisation

Colour of hydrated copper (II) sulfate

Blue (anhydrous=white)

Define saturated solution

A solution that can hold no more solute at the specified temperature