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PART - 1 CH - 1 Chemical Reactions and Equations — Science STD 10 — Question

Gujarat BoardEnglish MediumSTD 10SciencePART - 1 CH - 1 Chemical Reactions and Equations2 Marks
Question
What type of changes are observed during chemical reaction?
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Answer

The following changes are observed during chemical reaction:
(1) Change in physical state of the substance.
(2) Change in colour observed in the substance.
(3) Evolution of a gas appears duing the reaction.
(4) Change in temperature of the reaction - mixture during the reaction.

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