Question

Q1. Write chemical and word equation for... 1. double decomposition reaction 2. exothermic reaction
3. catalytic reaction
4. Direct combination reaction in which two compounds form a new compound 5.thermal decomposition reaction in which a compound forms two different elements

Answer 1

Answer:

A combination reaction is a reaction where two or more elements or compounds (reactants) combine to form a single compound (product).

Ba+F

2

⟶BaF

2

A decomposition reaction is a type of chemical reaction in which a single compound breaks down into two or more elements or new compounds. These reactions often involve an energy source such as heat, light, or electricity that breaks apart the bonds of compounds.

CaCO

3

△

CaO+CO

2