मराठी

Complete and Balance the Equation: (Laboratory Method) by Action of Dilute Acid on Zinc Zinc - Zn + 2hcl → _____ + _____ (G)

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प्रश्न

Complete and balance the equation:

[Laboratory method]

By action of dilute acid on zinc

Zinc - Zn + 2HCl → _____ + _____ [g]

रिकाम्या जागा भरा
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उत्तर

Zinc - Zn + 2HCl → ZnCl2 + H2 [g] 

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Recognition and Identification of Gases
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पाठ 6: Study of The First Element - Hydrogen - Equation Worksheet

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विराफ जे. दलाल Simplified ICSE Chemistry [English] Class 9
पाठ 6 Study of The First Element - Hydrogen
Equation Worksheet | Q 1.15

संबंधित प्रश्‍न

 Name the following:

 A metallic oxide which can be reduced into metal by hydrogen.


How is hydrogen gas collected? Why?


How would you show that hydrogen is a non-supporter of combustion?


TRUE \ FALSE

Lead reacts briskly with dilute hydrochloric acid to form hydrogen.


Why is granulated zinc preferred in the laboratory preparation of hydrogen?


Give a test to identify hydrogen ?


How can these impurities be removed? 


Give reason:

Apparatus for laboratory preparation of hydrogen should be airtight and away from a naked flame.


In the laboratory preparation of hydrogen from zinc & dilute hydrocholoric acid – state a reason for the collecting the hydrogen by downward displacement of water and not air & collecting it after all the air in the apparatus is allowed to escape.


Give balanced equation for the following conversion:

Acidified water to hydrogen – by electrolysis.


Give reason for the following:

Copper does not displace hydrogen from dilute hydrochloric acid, but zinc does.


Give a balanced equation for the following conversions sodium aluminate from aluminium.


In the laboratory preparation of hydrogen from zinc and dil. acid. Give a reason for the following:

Dilute nitric acid is not preferred as the reactant acid.


In the laboratory preparation of hydrogen from zinc and dil. acid. Give a reason for the following:

The lower end of the thistle funnel should dip below the level of the acid in the flask.


Name the following.

A gaseous reducing agent which is basic in nature.


Select the correct answer from the symbol in the bracket.

The element which forms a diatomic molecule.


The diagram represent the preparation and collection of hydrogen by a standard laboratory method.


Name a solution which absorbs the impurity – `"H"_2"S"`


The diagram represent the preparation and collection of hydrogen by a standard laboratory method.


State, why hydrogen is collected after all the air in the apparatus, is allowed to escape.


The diagram represent the preparation and collection of hydrogen by a standard laboratory method.


Name a gas other than hydrogen collected by the same method.


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