Question

Alcohol is produced with the help of _____________.

b) Fossil fuels are _______, petroleum and __________.

c) Metals react with acids to produce _____________ gas.

d) Synthetic fibers are synthesized from raw material called_____________.

e) Supply of water to crops at appropriate intervals is called ___________ .​

Answer 1

Answer:

1. Fermentation is the process in which yeast breaks down sugar into alcohol and carbon dioxide.

Explanation:

2. There are three main fossil fuels: coal, petroleum and natural gas.

3. hydrogen.

4. Synthetic fibres are synthesised from raw material called petrochemicals.

5. The supply of water to crops at different intervals is called irrigation ..

Answer 2

Answer:

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