A gas contains O2 and N2 in the ratio of 1 : 4 by weight. The ratio of their number of molecules is

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Questions Match

1.
A gas contains O₂ and N₂ in the ratio of 1 : 4 by weight. The ratio of their number of molecules is

1. 1 : 82. 1 : 43. 3 : 164. 7 : 32

2.
In the reaction
when 1 mole of SO₂ and 1 mole of O₂ are made to react to completion then

1. All the oxygen will be consumed2. 1 mole of SO3 will be produced3. 0.5 mole of SO2 is remain4. All of these

3.
1 mole of KClO₃ is thermally decomposed and excess of aluminium is burnt in the gaseous product. How many moles of Al₂O₃ are formed?

1. 12. 23. 1.54. 3

4.
2H₂ + O₂ → 2H₂O
If 2 g of Hydrogen and 5 g of Oxygen is used in the following reaction, what is the limiting reagent?

1. O22. H23. H2O4. Both (1) & (3)

5.
In the reaction
When 1 mole of ammonia and 1 mole of O₂ are made to react to completion, then

1. All oxygen will be consumed2. 1 mole NO produced3. 1 mole H2O produced4. All ammonia will be produced

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A gas contains O2 and N2 in the ratio of 1 : 4 by weight. The ratio of their number of molecules is