METALS AND NON METALS

Which of the following is a liquid at room temperature?

• IRON

• BROMINE

• IODINE

• PHOSPHOROUS

The most reactive metal is

• COPPER

• SILVER

• POTASSIUM

• CALCIUM

The metal which is liquid at room temperature is

• SODIUM

• BROMINE

• MERCURY

• CALCIUM

Which one of the following metals is the most ductile?

• ALUMINUM

• COPPER

• SILVER

• GOLD

The metal which is not corroded by air, water and acid is

• GOLD

• ALUMINUM

• ZINC

• COPPER

Metals are

• SOFT AND BRITTLE

• HARD AND SOLID

• LIQUID

• GENERALLY LIQUID

Materials having qualities of both metals and non-metals are

• ALLOYS

• METALLOIDS'

• NOBLE METALS

• NONE OF THESE

Iron is galvanised by coating it with

• CHROMIUM

• SODIUM

• MAGNESIUM

• ZINC