Question

Fili up the blank space using appropriate words

1.____________is an artificial fibre obtained from wood pulp.
2.Metals react with acid to produce_____________
gas.
3.When coal burns in the air,_____________
gas is evolved.
4.Fire produced in oil cannot be controlled by_____________
5.Friction produces_______________​

Answer 1

Answer:

1) Rayon

2) Hydrogen

3) Carbon dioxide

4) water

5) Heat

Explanation:

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Answer 2

hii...

• Rayon
• Hydrogen
• Carbon dioxide
• Water
• Heat