METALS & NON-METALS

________is used for packing food

Why are electrical cables made from copper?

The only non-metal which is liquid at room temperature is

The non-metal which is a very good conductor of electricity.

Metals react with oxygen to form:

• Basic oxides

• Acidic oxides

• Neutral oxides

• None of these

Sulphur reacts with oxygen to form:

• Sulphur nitrate

• Sulphur dioxide

• Sulphate

• Sulphide

The property of metal used for making temple bells is:

Which of the following statements is incorrect?

• Metals have lustre

• Metals are malleable

• Metals are good conductors of electricity

• Metals are poor conductors of heat

The white powder formed when magnesium ribbon burns in oxygen is _________.

An example of metal which can be cut with a knife is ________.