Metals and Non-metals

1. Which of the following elements can show lustre?

• Sulphur

• Iron

• Chlorine

• Phosphorus

Among the following, mention the non-metals which is a good conductor of electricity?

• Graphite

• Diamond

• Copper

• Aluminium

____________ is acidic in nature.

• Magnesium oxide

• Calcium oxide

• Sulphur dioxide

• Sodium oxide

__________ metal reacts even with cold water to release hydrogen gas.

• Sodium

• Zinc

• Magnesium

• Copper

What is the colour of the corrosion product of silver?

• White

• Blue

• Green

• Black

Galvanization involve coating of which of the following element?

• Gold

• Copper

• Zinc

• Nickel

____________ gas is evolved during the reaction of metals with dilute acids.

• Hydrogen

• oxygen

• Nitrogen

• Sulphur dioxide

Which of the following element is more reactive among the following?

• Copper

• Zinc

• Magnesium

• Iron

_______________ is used in manufacture of aircraft.

• Magnesium

• Zinc

• Aluminium

• Copper

Neon is used in ________________

• Fluorescent bulbs

• Integrated chips

• Dry lubricant

• Filling balloons