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प्रश्न
Write down the “word equation” for the following reaction:
sodium hydroxide solution + zinc → ?
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उत्तर
‘Word equation’
Sodium hydroxide + zinc → Sodium zincate + hydrogen
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संबंधित प्रश्न
Indicate which of the following statement is true and which is false:
The hydrogen molecule is monovalent.
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.
Multiple Choice Question
Hydrogen is responsible for producing
Multiple Choice Question
Hydrogen is
FILL IN THE BLANK
The compounds of carbon and hydrogen are called .................
Why is hydrogen called a reducing agent? Give chemical equation to support your answer ?
Write the balanced equation and give your observation when the following metal reacts:
Calcium with cold water
Write the balanced equation and give your observation when the following metal reacts:
Magnesium with boiling water
Write the balanced equation and give your observation when the following metal reacts:
Magnesium with steam
Correct the following statement:
Hydrogen is dried by passing it through conc. H2SO4.
How is hydrogen separated from carbon dioxide and carbon monoxide?
With reference to the equation : Cl2 + H2S → 2HCl + S pertaining to a redox reaction – select the correct answer.
Chlorine is ______ to HCl.
With reference to the equation : Cl2 + H2S → 2HCl + S pertaining to a redox reaction – select the correct answer.
Chlorine acts as an ______ agent.
Give balanced equation for the following conversion:
Iron [III] oxide to iron – using hydrogen.
Write balanced equation of the reaction in the preparation of : hydrogen from a solution of potassium hydroxide [other than by electrolysis].
Give balanced equation for obtaining hydrogen from cold water using a divalent active metal.
Give a reason for the following.
A mixture of hydrogen and chlorine can be separated by passage through a porous pot.
