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Give the Balanced Equation of the Reaction. - Chemistry

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प्रश्न

Give the balanced equation of the reaction.

एक पंक्ति में उत्तर

उत्तर

3Fe + 4H2O ⇋ Fe3O4 + 4H2

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Hydrogen
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अध्याय 6: Study of the First Element - Hydrogen - Exercise 6 (A) [पृष्ठ १०२]

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सेलिना Concise Chemistry [English] Class 9 ICSE
अध्याय 6 Study of the First Element - Hydrogen
Exercise 6 (A) | Q 14.2 | पृष्ठ १०२

संबंधित प्रश्न

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

Hydrogen is combustible as well as a supporter of combustion.


Multiple Choice Question

Hydrogen is responsible for producing


MULTIPLE CHOICE QUESTIONS

The name hydrogen was given by

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

FILL IN THE BLANK

In nature, hydrogen occurs as a .................. molecule represented as H2


FILL IN THE BLANK

Hydrogen is present abundantly in the ................


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


Choose the correct option:

The composition of the nucleus of deuterium is


Correct the following statement:

Hydrogen is dried by passing it through conc. H2SO4.


Select the correct options for the following statement:

The gas which has now replaced hydrogen in air balloons is ___.


Give a chemical test to distinguish between the following gases:

Hydrogen and oxygen


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


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’.


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

sodium hydroxide solution + zinc → ?


Complete and balance the following equations:

Al + NaOH + ____ → ____ + ____


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 monovalent active metal.


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