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प्रश्न
Tick (√) the correct alternative from the choice given for the following statement.
The substance which accelerates the speed of a reaction without itself undergoing any change is called
पर्याय
catalyst
pollutant
fuel
none of the above
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उत्तर
catalyst
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संबंधित प्रश्न
Give two uses of the following component present in air:
water vapour
Mention five causes of air pollution.
Give a brief account of the discovery of air and the scientists involved.
Water does not have a ______ but has definite ______ and ______.
State the meaning of the term atmosphere.
Fill in the blank:
Nitrogen of the air is utilized by plants for formation of _____.
Fill in the blank:
Rusting is a chemical reaction which involves _____ oxidation.
Draw a neat labelled diagram for the following experiment.
To determine the component of air used up in burning, by using phosphorus and a bell jar.
List five activities that are possible due to the presence of air.
Wind does not help in the movement of which of the following?
