मराठी

Give Balanced Equation for Obtaining Hydrogen from Cold Water Using a Monovalent Active Metal.

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प्रश्न

Give balanced equation for obtaining hydrogen from cold water using a monovalent active metal.

एका वाक्यात उत्तर
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उत्तर

Monovalent active metal Na:

2Na + 2H2O → 2NaOH + H2

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पाठ 6: Study of The First Element - Hydrogen - Additional Questions

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विराफ जे. दलाल Simplified ICSE Chemistry [English] Class 9
पाठ 6 Study of The First Element - Hydrogen
Additional Questions | Q 4.1

संबंधित प्रश्‍न

Indicate which of the following statement is true and which is false:

Hydrogen gas is easily liquefiable. 


Complete and balance the following equation:

H2+____________→ 2HCI


 Multiple Choice Question

 Equal volumes of hydrogen and chlorine are exposed to diffused sunlight to prepare


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


Give the balanced equation of the reaction.


Correct the following statement:

Hydrogen is dried by passing it through conc. H2SO4.


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 a chemical test to distinguish between the following gases:

Hydrogen and oxygen


Write balanced equation for the following reaction:
magnesium + dil. hydrochloric acid → ___


Name a gas which burns in air or oxygen forming water.


Explain the following:

Two jars of H2 are collected – “one burns quietly and the other does not”.


Describe one chemical test applied to the following gases, which would enable you to distinguish between them :‘carbon monoxide and hydrogen’.


What do the following symbols represent : 2H and H2.


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.


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