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Question
Name the following:
The products obtained during ‘photosynthesis’ – which is a chemical change.
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Solution
Glucose and Oxygen.
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RELATED QUESTIONS
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Solution
Multiple choice:
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Distinguish by heating the following in dry test tubs.
Zinc nitrate and copper nitrate.
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The black residue obtained on heating copper carbonate.
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Hydrated copper sulphate to sulphur dioxide
Complete the table given below.
| Heat on ammonium dichromate | Name of neutral gas evolved |
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\[\ce{Cu++->Cu}\]
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Which of the following statement is incorrect for a chemical reaction?
______ are substances that speed up the process of a chemical change and it will not undergo any change during the course of the reaction.
Chemical changes are important in our day-to-day life. Give examples.
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Reason (R): Physical changes are always reversible.
Why is spoiling food a chemical change?
When carbon dioxide is passed through lime water ______.
