Name one metal and one non-metal which exist in liquid state at room temperature.

2

(a)

Which metal is stored in kerosene?

2

(a)

Name a non-metal which is kept in water

2

(a)

How can you say that metals have a property of sonorousness?

2

(a)

Name two major non-metals which are present in fertilisers and enhance the growth of plants.

2

(a)

If a metal coin is dropped on hard floor, it produces a ringing sound. What is this property of metals known as?

2

(a)

Zinc sulphate forms a colourless solution in water. Will you observe any colour on adding copper turning in it?

2

(a)

Name the metal
(a) which reacts with dilute hydrochloric acid to produce hydrogen gas.
(b) which does not react with dilute hydrochloric acid.

2

(a)

A given non-metal forms sulphuric acid on reacting with nitric acid. Identify the non-metal.

2

(a)

What happens when a solution of metal oxide is tested with red litmus and blue litmus solutions?

2

(a)

Which metal reacts neither with cold water nor with hot water?

2

(a)

What happens when magnesium ribbon is burnt in air ? How will you test for its acidic/basic nature ?

2

(a)

Write the different uses of metals.

2

(a)

Write characteristics of non-metals.

2

(a)

What is rust chemically known as?

2

(a)