Question

C. Match the statements in Column A, with those in Column B.
Column A
1. A metal which floats on the surface of cold water and reacts with it to form hydrogen gas.
2. A metal which sinks in cold water and reacts with it to form hydrogen gas.
3. A silvery white metal in the form of a ribbon and reacts with steam on heating to form hydrogen.
4. A metal which is used as reactant in the laboratory preparation of hydrogen gas.
5. A metal which reacts with sodium hydroxide to liberate hydrogen gas.


Column B
(a) Zinc
(b) Aluminium
(c) Sodium
(d) Magnesium
(e) Calcium​

Answer 1

1. A metal which floats on the surface of cold water and reacts with it to form hydrogen gas. - Sodium

2. A metal which sinks in cold water and reacts with it to form hydrogen gas. - Calcium

3. A silvery white metal in the form of a ribbon and reacts with steam on heating to form hydrogen. - Magnesium

4. A metal which is used as reactant in the laboratory preparation of hydrogen gas.- Zinc

5. A metal which reacts with sodium hydroxide to liberate hydrogen gas. - Aluminium

Answer 2

Answer:

Column A

1. A metal which floats on the surface of cold water and reacts with it to form hydrogen gas.

1. A metal which floats on the surface of cold water and reacts with it to form hydrogen gas. 2. A metal which sinks in cold water and reacts with it to form hydrogen gas.

1. A metal which floats on the surface of cold water and reacts with it to form hydrogen gas. 2. A metal which sinks in cold water and reacts with it to form hydrogen gas. 3. A silvery white metal in the form of a ribbon and reacts with steam on heating to form hydrogen.

1. A metal which floats on the surface of cold water and reacts with it to form hydrogen gas. 2. A metal which sinks in cold water and reacts with it to form hydrogen gas. 3. A silvery white metal in the form of a ribbon and reacts with steam on heating to form hydrogen. 4. A metal which is used as reactant in the laboratory preparation of hydrogen gas.

1. A metal which floats on the surface of cold water and reacts with it to form hydrogen gas. 2. A metal which sinks in cold water and reacts with it to form hydrogen gas. 3. A silvery white metal in the form of a ribbon and reacts with steam on heating to form hydrogen. 4. A metal which is used as reactant in the laboratory preparation of hydrogen gas. 5. A metal which reacts with sodium hydroxide to liberate hydrogen gas.

Column B Ans

Ans 1.) (c) Sodium

Ans 2.) (e) Calcium

Ans 3.) (d) Magnesium

Ans 4.) (a) Zinc

Ans 5.) (b) Aluminium