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प्रश्न
Indicate which of the following statement is true and which is false:
Hydrogen gas is easily liquefiable.
पर्याय
True
False
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उत्तर
False
APPEARS IN
संबंधित प्रश्न
Hydrogen is combustible as well as a supporter of combustion.
MULTIPLE CHOICE QUESTIONS
Which is the lightest of all elements?
- hydrogen
- helium
- lithium
- none of these
FILL IN THE BLANK
In nature, hydrogen occurs as a .................. molecule represented as H2
FILL IN THE BLANK
Ammonia is used to make ................
Using a burning candle and a jar of hydrogen – how would you prove experimentally that Hydrogen does not support combustion.
Give a test to differentiate between two gas jars – one containing pure hydrogen and the other hydrogen-air mixture.
Give reason for the following:
The reaction of chlorine with hydrogen sulphide is deemed a redox reaction.
Match the statements in List I with the appropriate answer in List II.
| List I | List II |
| 1. An atom of hydrogen | A: Chromic oxide |
| 2. A strong oxidising agent | B: Ammonia |
| 3. A promoter used in Bosch process | C: Iron |
| 4. A chemical used in the manufavture of fertilizers | D: One electron |
| 5. The catalyst used in production of a basic gas from nitrogen. | E: Dilute nitric acid |
What do the following symbols represent : 2H and H2.
Give a reason for the following.
A mixture of hydrogen and chlorine can be separated by passage through a porous pot.
