Question

Fill in the blanks with appropriate words:(10*1=10)

1. .... ...... is used in making mirrors.

2. ....... is organic matter obtained from plant or animal wastes.

3. The presence of................
and the warmth stimulate rapid growth of the yeast
cells.

4. Many small units combine to form a large single unit called a ............

5.Coke is formed when coal is heated in................
of air.

6.............. is used to prepare sulphuric acid.

7.Synthetic fibres are made by ..........

8. Both ............. and ........... find extensive use in the native form as well as
compounds.

9............... and .......... are the crystalline form of carbon.

10.Nitrates of .......... find use in photography.

please answer the question​

Answer 1

1. .... ...... is used in making mirrors.

Ans - glass

2. _ is organic matter obtained from plant or animal wastes.

Ans -compost ,sewage

3. The presence of................

and the warmth stimulate rapid growth of the yeast

cells.

Ans - carbon compound .

4. Many small units combine to form a large single unit called a ............

Ans - polymers

5.Coke is formed when coal is heated in................

of air.

Ans- Presence

6.............. is used to prepare sulphuric acid.

Ans - Sulfur,air, water ( when reacted )

7.Synthetic fibres are made by ..........

Ans - petroleum

8. Both ............. and ........... find extensive use in the native form as well as

compounds.

Ans - metal and non- metal

9............... and .......... are the crystalline form of carbon

Ans - graphite , diamond , lonsdaleite

10.Nitrates of .......... find use in photography.

Ans - silver nitrate