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Give a Balanced Equation for the Following Conversions Sodium Aluminate from Aluminium. - Chemistry

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प्रश्न

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

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उत्तर

Sodium aluminate from aluminium

\[\ce{2Al + 2NaOH + 2H2O ->\underset{Sodium aluminate}{2NaAlO2} + 3H2}\]

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Laboratory Preparation of Hydrogen
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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 7.3

संबंधित प्रश्‍न

Name the following:

 A metal which liberates hydrogen only when steam is passed over red hot metal.


Name the chemicals required to prepare hydrogen gas in the laboratory.


Multiple Choice Question

 In metal activity series the more reactive metals are at


FILL IN THE BLANK

Sodium liberates hydrogen when treated with cold .............


TRUE \ FALSE

Lead reacts briskly with dilute hydrochloric acid to form hydrogen.


Give a test to identify hydrogen ?


Name the impurities present in hydrogen prepared in the laboratory.


Under what conditions can hydrogen be made to combine with chlorine?

Name the products and write the equation for the reaction.


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 reason for the following:

In the laboratory preparation of hydrogen from zinc and dilute hydrochloric acid – the zinc used granulated zinc.


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.


Name the following.

A gaseous reducing agent which is basic in nature.


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


State what difference will be seen if pure zinc is added in the distillation flask ‘X’ instead of granulated zinc.


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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