Question

1. Give example of a chemical
change with proper chemical
equation, that occurs due to the
presence of electricity.
2. With the help of a proper chemical
reaction explain the role of catalyst in
a reaction.
3. Why is catalyst used in the form
of dust or fine wires in chemical
industry?
4. State the role of enzyme in human
body
5. When you mix baking soda and
tartaric acid there is no reaction
but as soon as water is added to
it reaction starts instantaneously.
Explain
​

Answer 1

Answer:

a catalyst is a substance that can be added to reaction to increase the reaction rate without getting consumed in the process. enzymes are proteins that act as catalyst in biochemical reaction