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प्रश्न
Fill in the blanK
A .............is a substance which changes the rate of a chemical reaction without undergoing a chemical change.
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उत्तर
A catalyst is a substance which changes the rate of a chemical reaction without undergoing a chemical change.
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संबंधित प्रश्न
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catalyst .
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Explain by writing a word equation.
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Calcium hydroxide.
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- Burning of crackers.
Write a note on the catalyst.
Write a note on the following:
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