ICSE /Class 7
Chemistry MCQ Based On Characteristics of occurrence of a chemical reaction by change
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ICSE Class 7 Chemistry Characteristics of occurrence of a chemical reaction by change
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Write the reaction and then match the option.
Sometimes, the evolution of gas is involved during a chemical change. Write an equation and check
Indicates heat is released.
Change in smell occurs whenever there is a chemical change.
Example of an endothermic reaction
Recall the definition to find the answer.
The reaction in which heat is evolved.
Soda water contains carbon dioxide and water.
Indicates heat is released.
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