Question

some chemical formula's to calculate
For class 9 please ​

Answer 1

Explanation:

. RULE I: Cross multiply the valencies of the elements to form the formula of the respective compound.

Answer 2

Answer:

CBSE NCERT Notes Class 9 Chemistry Atoms and Molecules. RULE I: Cross multiply the valencies of the elements to form the formula of the respective compound.

Explanation:

Hope it may help you..