मराठी

When Steam is Passed Over Red-hot Iron, Magnetic Oxide of Iron and Hydrogen Are Obtained. “The Reaction Between Steam and Red-hot Iron is a Reversible Reaction.” What is Meant by this Statement.

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प्रश्न

When steam is passed over red-hot iron, magnetic oxide of iron and hydrogen are obtained. “The reaction between steam and red-hot iron is a Reversible Reaction.” What is meant by this statement.

एका वाक्यात उत्तर
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उत्तर

Statement means magnetic oxide of iron and hydrogen recombine to form iron and steam.

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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 1.4

संबंधित प्रश्‍न

State four uses of hydrogen: 


Define catalytic hydrogenation.


Multiple Choice Question

Hydrogen is responsible for producing


MULTIPLE CHOICE QUESTIONS

Which is the lightest of all elements?

  1. hydrogen
  2. helium
  3. lithium
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FILL IN THE BLANK

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Write the balanced equation and give your observation when the following metal reacts:

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Magnesium with steam


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Select the correct options for the following statement:

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


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calcium + water → calcium hydroxide + hydrogen


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


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Write correctly the balanced equation for the following:

‘When zinc filings are added to a concentrated solution of sodium hydroxide’.


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


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


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