Identify the number of atoms of oxygen present in 3HNO3
6
9
3
1
Ozone is a triatomic molecule.
Number of oxygen atoms present in 1 gram of calcium carbonate are
Question 24
The ratio of radii of two cylinders is 1 : 2 and heights are in the ratio 2 : 3. The ratio of their volumes is a) 1 : 6 b) 1 : 9 c) 1 : 3 d) 2 : 9