Multiple Choice Question Answer V — task. Science CBSE, Class 9.

PDF chapter test TRY NOW

1. Which of the following occupy maximum volume at STP:

\(10^2{^2}\) molecules of \(H_2\)
\(10^2{^2}\) atoms of He
0.2 gm-atom of oxygen
11 gm of \(N_2O\)

2. In the reaction \(4NH_3\) + \(5O_2\) → \(4NO\) + \(6H_2O\), when one mole of ammonia and one mole of oxygen are made to react to completion, then

All the ammonia is consumed
All the oxygen is consumed
1.0 mole of \(H_2O\) is produced
1.5 mole of NO is formed

Login or Fast registration

Previous exercise

Exit to the topic

Did you find an error?

Register for free to see more content

Register for free to see more content