Q. (a) What are the essentials of a chemical
equation?
(b) Why reactants and products are written in
molecular form?
(c) Give a simple example.
Answers
Answered by
2
Step-by-step explanation:
1) mass can neither be created or destroyed in chemical reaction..(c) mg + 02= 2mgO
Answered by
1
Answer:
a)
(i) It must refer to an actual chemical reaction.
(ii) It should be molecular. For example, H, O, N should be written as H2, O2, N2.
(iii) It should be balanced and conform to the law of conservation of matter.
b) (1) It must represent a true chemical changes. (2) All the reactants and the products of the chemical reaction must be in the form of their respective chemical formulae / symbols. (3) The total number of atoms of all the elements must be same in both sides. (4)It must be molecular.
C) Examples of chemical changes are burning, cooking, rusting, and rotting.
Similar questions