Question

Q.2] Define the following:
i) A balanced chemical equation.
ii) Catalyst
iii) Chemical reactions
. iv) Effervescence.
v) Precipitate.
vi) Law of conservation of matter.​

Answer 1

Answer:

Precipitate is outcome of some process or action .

catalyst is a substance that make chemical reaction happen faster .

Answer 2

Answer:

1.when the no of atomes present in both sides are equal is called balanced chemical equation

2.a substance that affects other without being damaged

3.chemucal reactions in ehich one or more elements taken as react ants by which products are formed

4.effervescence is the escape of gas from Frizzell of aqueous solution

5.when the reactions between compounds occur and athe products are formed there was a precipitate formed

it is formed in double displacement reaction and it is an exothermic reaction

6.matter is neither be created nor destroyed