मराठी

Complete and Balance the Following Equations: Al + Naoh + ____ → ____ + ____

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प्रश्न

Complete and balance the following equations:

Al + NaOH + ____ → ____ + ____

एका वाक्यात उत्तर
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उत्तर

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

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पाठ 6: Study of The First Element - Hydrogen - Exercise

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विराफ जे. दलाल Simplified ICSE Chemistry [English] Class 9
पाठ 6 Study of The First Element - Hydrogen
Exercise | Q 9.1

संबंधित प्रश्‍न

Hydrogen is combustible as well as a supporter of combustion.


Give a balanced chemical equation for the reaction.


MULTIPLE CHOICE QUESTIONS

The name hydrogen was given by

  1. Cavendish
  2. Lavoisier
  3. Haber
  4. none of these

FILL IN THE BLANK

The compounds of carbon and hydrogen are called .................


FILL IN THE BLANK

Ammonia is used to make ................


Choose the correct option:

The composition of the nucleus of deuterium is


Give equations for the reactions.


Give a test to differentiate between two gas jars – one containing pure hydrogen and the other hydrogen-air mixture.


Give balanced equation for the following conversion:

Nitrogen to a basic gas – using hydrogen.


Give a chemical test to distinguish between the following gases:

Ammonia and hydrogen chloride


Write a correctly balanced equation for the following “word equation”:
calcium + water → calcium hydroxide + hydrogen


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


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


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


Write down the “word equation” for the following reaction:

sodium hydroxide solution + zinc → ?


How would you obtain ‘hydrogen from sodium hydroxide’ solution other than by electrolysis?


Select the correct answer from the symbol in the bracket.

The element, which like hydrogen has one valence electron.


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