1. | 40 mol | 2. | 10 mol |
3. | 20 mol | 4. | 30 mol |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology20.0 g of a magnesium carbonate sample decomposes on heating to give carbon dioxide and 8.0 g of magnesium oxide.
The percentage purity of magnesium carbonate in the sample will be:
(Atomic weight of Mg=24)
1. | 75 | 2. | 96 |
3. | 60 | 4. | 84 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology10 g of hydrogen and 64 of oxygen were filled in a steel vessel and exploded. The amount of water produced in this reaction will be:
1. 2 mol
2. 3 mol
3. 4 mol
4. 1 mol
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe moles of lead (II) chloride that will be formed from a reaction between 6.5 g of PbO and 3.2 g of HCl are:
1. 0.044
2. 0.333
3. 0.011
4. 0.029
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn the Haber process, 30 litres of dihydrogen and 30 litres of dinitrogen were taken for the reaction which yielded only 50% of the expected product. What will be the composition of a gaseous mixture under the above condition in the end:
1. | 20 litres of ammonia, 20 litres of nitrogen, 20 litres of hydrogen |
2. | 10 litres of ammonia, 25 litres nitrogen, 15 litres of hydrogen |
3. | 20 litres of ammonia, 10 litres of nitrogen, 30 litres of hydrogen |
4. | 20 litres of ammonia, 25 litres of nitrogen, 15 litres of hydrogen |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
When one mole ammonia and one mole oxygen are taken:
1. Oxygen is completely consumed
2. Ammonia is completely consumed
3. Both (1) and (2) are correct
4. None of the above options is correct
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology