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प्रश्न
Hydrogen is combustible as well as a supporter of combustion.
विकल्प
True
False
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उत्तर
This statement is False.
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संबंधित प्रश्न
Write the balanced equation and give your observation when the following metal reacts:
Magnesium with boiling water
Choose terms from the options given in brackets to complete this sentence.
A metal …………….. hydrogen in the activity series gives hydrogen with …………… acid or …………… acid.
(above, below, dilute hydrochloric, concentrated hydrochloric, dilute sulphuric).
Give equations for the reactions.
How is hydrogen separated from carbon dioxide and carbon monoxide?
Give balanced equation for the following conversion:
Nitrogen to a basic gas – using hydrogen.
Select the correct options for the following statement:
The gas which has now replaced hydrogen in air balloons is ___.
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 |
Give a chemical test to distinguish between the following gases:
Ammonia and hydrogen chloride
Write a correctly balanced equation for the following “word equation”:
calcium + water → calcium hydroxide + hydrogen
How can you obtain hydrogen from sodium hydroxide [not by electrolysis].
