Qualitative analysis of salts

POSITIVE ION IN A SWIMMING POOL IS CALLED

• ANION

• CATION

• PROTON

• ELECTRON

COMMON ION IN TAP WATER CONTAINS

• Calcium ion

• Magnesium ion

• Zinc ion

• copper(II) ion

Sodium hydroxide and ammonia is commonly used in a chemistry lab to verify cations

• true

• false

WHICH OF THE FOLLOWING IS THE HEAVY METAL IONS

• COPPER(II) ION

• SULPHUR

• LEAD(II) ION

• MERCURY (IV) ION

Is it safe for aquatic life to be exposed to all metal ions?

• Yes

• No