Question

Q1) Fill in the blanks

1- Rusting of iron is _____ process.

2- _____ are written on the left hand side of a chemical reaction.

3- Use of _____ increases the speed of reactions.

4- Losing of electrons is _____.

5- Heating of calcium carbonate is ______ reaction.​

Answer 1

Answer:

1.chemical

Explanation:

I know answers for 1 st alone

Answer 2

Answer:

1. Chemical

2. Reactant

3. Catalyst

4. Oxidation

Explanation:

l don't know last(5)one.