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प्रश्न
Multiple Choice Question
Hydrogen is responsible for producing
विकल्प
heat and light
hydrogenated oil
fertilizers
all of the above
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उत्तर
all of the above
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संबंधित प्रश्न
Indicate which of the following statement is true and which is false:
Hydrogen gas is easily liquefiable.
Give a balanced chemical equation for the reaction.
Hydrogen is a good reducing agent: What do you understand by the above statement? Explain with the help of copper oxide as an example.
MULTIPLE CHOICE QUESTIONS
The name hydrogen was given by
- Cavendish
- Lavoisier
- Haber
- none of these
Write the balanced equation and give your observation when the following metal reacts:
Calcium with cold water
Give equations for the reactions.
Select the correct options for the following statement:
The gas which has now replaced hydrogen in air balloons is ___.
Give a chemical test to distinguish between the following gases:
Hydrogen and oxygen
Write down the “word equation” for the following reaction:
sodium hydroxide solution + zinc → ?
Give a reason for the following.
A mixture of hydrogen and chlorine can be separated by passage through a porous pot.
