Question

A.Fill in the blanks:


1.Substances that take part in a chemical reaction
are called____________.


2.Hydrogensulphide gas smells like_________.


3.2Mg+___________=2MgO.


4.Chemical reactions take place by the action of light
energy are called___________reaction.


5.______________is an example of catalyst.


IRREVALENT ANSWERS WILL BE REPORTED...​

Answer 1

Answer:

mark me as brainlist

Explanation:

1.reactions

2.gas

3.O2

4.SOLAR

5.follow me

Answer 2

Answer:

1. Reactants
2. rotten egg
3. O2