- 1(current)
Q. No.
Subtopic: Preparation & Properties |
Level 4: Below 35%
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Dihydrogen of high purity (> 99.95%) is obtained through
| 1. | The electrolysis of warm Ba(OH)2 solution using Ni electrodes. |
| 2. | The reaction of Zn with dilute HCl. |
| 3. | The electrolysis of brine solution. |
| 4. | The electrolysis of acidified water using Pt electrodes. |
Subtopic: Preparation & Properties |
79%
Level 2: 60%+
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The synonym for water gas, when used in the production of methanol, is :
1. Fuel gas
2. Laughing gas
3. Syn gas
4. Natural gas
Subtopic: Preparation & Properties |
91%
Level 1: 80%+
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Assertion(A): Dihydrogen is an environment/eco-friendly fuel.
Reason(R): Hydrogen is the lightest element.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Reason(R): Hydrogen is the lightest element.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic: Preparation & Properties |
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- 1(current)
Q. No.
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