The mole ratio of H2 and O2 gas is 8:1. The ratio of their weight will be:
1. 1 : 1
2. 2 : 1
3. 4 : 1
4. 1 : 2
The specific volume of cylindrical virus particle is hose radius and length are 7 Å & 10Å respectively. If find the molecular weight.
1. 15.4 kg/mol
2.
3.
4.
Which among the following has the maximum number of molecules?
1. 7 gm N2
2. 2 gm H2
3. 16 gm NO2
4. 16 gm O2
The maximum number of molecules is present in:
1. | 5L of N2 gas at STP | 2. | 0.5 g of H2 gas |
3. | 10g of O2 gas | 4. | 15 L of H2 gas at STP |