ELEMENTS, COMPOUNDS AND MIXTURES

WHICH OF THE FOLLOWING IS AN EXAMPLE OF NON METAL?

• GOLD

• SILVER

• COPPER

• SULPHUR

WHICH OF THE FOLLOWING IS AN EXAMPLE OF NOBLE GAS?

• ARGON

• FLUORINE

• CHLORINE

• NITROGEN

WHICH OF THE FOLLOWING IS A LIQUID METAL?

• BROMINE

• MERCURY

• CALCIUM

• ALUMINIUM

WHICH OF THE FOLLOWING IS A COMPOUND?

• WATER

• CARBON

• HYDROGEN

• MANGANESE

WHICH OF THE FOLLOWING GAS EXTINGUISHERS FIRE?

• OXYGEN

• NITROGEN

• HYDROGEN

• CARBON DIOXIDE

WHICH OF THE FOLLOWING GAS TURNS LIMEWATER MILKY?

• NITROGEN

• ARGON

• CARBON DIOXIDE

• CHLORINE

WHICH OF THE FOLLOWING IS AN ALLOY?

• STEEL

• COPPER

• IRON

• SODIUM CHLORIDE

WHICH OF THE FOLLOWING SUBSTANCE UNDERGO SUBLIMATION?

• AMMONIUM CHLORIDE

• SODIUM CHLORIDE

• CEMENT

• FLUORINE

WHICH OF THE FOLLOWING SUBSTANCE CAN BE SEPARATED BY USING MAGNETIC SEPARATION?

• IRON AND SULPHUR MIXTURE

• CALCIUM AND COPPER MIXTURE

• SAND AND WATER MIXTURE

• OIL AND WATER MIXTURE

THE COLOUR OF LEAD IODIDE IS:-

• RED

• BLUE

• YELLOW

• GREEN