Substances that cause a reaction to occur or proceed at a different rate without the reaction itself being affected are called -

Related MCQs

• There are some substances whose odor changes in acidic or basic media. These are called -
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• Which of the following substances undergoes chemical change on heating?
• Copper substances when exposed to air gains a green coating due to the formation of:
• Activated Charcoal is used to remove colouring matter from pure substances by –
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