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प्रश्न
Multiple Choice Question
Hydrogen is
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उत्तर
- neither supporter nor combustible
- combustible
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संबंधित प्रश्न
Hydrogen is combustible as well as a supporter of combustion.
Give a balanced chemical equation for the reaction.
FILL IN THE BLANK
Hydrogen is present abundantly in the ................
Write the balanced equation and give your observation when the following metal reacts:
Magnesium with boiling water
Give the balanced equation of the reaction.
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 reason for the following:
The reaction of chlorine with hydrogen sulphide is deemed a redox reaction.
Give a chemical test to distinguish between the following gases:
Hydrogen and oxygen
How can you obtain hydrogen from sodium hydroxide [not by electrolysis].
What do the following symbols represent : 2H and H2.
