Chemistry Quiz

Which of the following metals is the most reactive?

• Copper

• Gold

• Sodium

• Silver

The non-metal that conducts electricity is:

• Sulfur

• Phosphorus

• Graphite

• Chlorine

When zinc reacts with hydrochloric acid, the gas evolved is:

• Oxygen

• Hydrogen

• Nitrogen

• Carbon dioxide

Which of the following reacts vigorously with water?

• Calcium

• Sodium

• Copper

• Iron

The property of metals by which they can be drawn into thin wires is called:

• Malleability

• Ductility

• Brittleness

• Conductivity

Which metal is used for galvanizing iron?

• Copper

• Zinc

• Aluminium

• Silver

Which of the following non-metals is a liquid at room temperature?

• Iodine

• Bromine

• Sulfur

• Fluorine

The amphoteric oxide among the following is:

• Na₂O

• Al₂O₃

• SO₂

• P₂O₅

The SI unit of resistivity is:

• Ohm

• Ohm-meter

• Ohm/meter

• Ohm/cm

Which of the following materials is a good conductor of electricity?

• Glass

• Rubber

• Copper

• Plastic