engineering recuitment ISRO Scientific Assistant Physics 2020 General Science Chemistry Organic Chemistry
Which of the following statements is/are true?
A. A balanced chemical equation has an equal number of atoms of different elements in the reactants and products.
B. An unbalanced chemical equation has an unequal number of atoms of one or more elements in the reactants and products.
1
A and B are both false
2
Only A is true
3
Only B is true
4
A and B are both true