Multiple choice

Which of the following statements is/are correct?

A. In a chemical equation, the number and type of atoms on the left hand side must be equal to that on the right hand side. R. Mass is conserved in a chemical reaction.

  1. Both A and R are true and R is the correct explanation of A.

  2. Both A and R are true but R is not the correct explanation of A.

  3. A is true but R is false.

  4. A is false but R is true.

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In a chemical equation, the number and type of atoms on the left hand side must be equal to that on the right hand side. This is because mass is conserved in a chemical reaction.