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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
विकल्प
catalyst
pollutant
fuel
none of the above
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उत्तर
catalyst
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संबंधित प्रश्न
Write the chemical name of The white insoluble solid formed on the reaction of carbon dioxide with lime water.
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Air is a compound.
Answer in your own words.
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A candle burns in a jar of oxygen, but gets extinguished in ______
Fill in the blank:
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Take a squeezable bottle. Make a hole on the lid and close the bottle tightly. Bring the bottle near your face and press the bottle. What do you feel?
Air has no ______ & ______.
About 78% of the volume of air is ______.
