TOGETHER WITH CHEMISTRY>Chapter 2 - Chemical Changes and Reactions>Self Evaluation Test>Q 5

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9th ICSE

IMPORTANT

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Write any two conditions for a chemical change.

Important Questions on Chemical Changes and Reactions

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9th ICSE

IMPORTANT

TOGETHER WITH CHEMISTRY>Chapter 2 - Chemical Changes and Reactions>Self Evaluation Test>Q 6

The rate of a chemical reaction is more when temperature increases. Justify.

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9th ICSE

IMPORTANT

TOGETHER WITH CHEMISTRY>Chapter 2 - Chemical Changes and Reactions>Self Evaluation Test>Q 7

Complete and balance the equation.

$2 Al + 6 HCl \to$ _____ $+$ _____

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9th ICSE

IMPORTANT

TOGETHER WITH CHEMISTRY>Chapter 2 - Chemical Changes and Reactions>Self Evaluation Test>Q 7

Complete and balance the chemical equation.

${CuSO}_{4} + Fe \to$ _____ $+$ _____

MEDIUM

9th ICSE

IMPORTANT

TOGETHER WITH CHEMISTRY>Chapter 2 - Chemical Changes and Reactions>Self Evaluation Test>Q 7

Complete and balance the equation.

${NH}_{4} {NO}_{3} \overset{∆}{\to}$ _____ $+$ _____

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9th ICSE

IMPORTANT

TOGETHER WITH CHEMISTRY>Chapter 2 - Chemical Changes and Reactions>Self Evaluation Test>Q 7

Complete and balance the equation.

${AgNO}_{3} \overset{∆}{\to}$ _____ $+$ _____ $+$ _____

MEDIUM

9th ICSE

IMPORTANT

TOGETHER WITH CHEMISTRY>Chapter 2 - Chemical Changes and Reactions>Self Evaluation Test>Q 7

Complete and balance the equation.

${Pb}_{3} O_{4} \overset{∆}{\to}$ _____ + _____

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9th ICSE

IMPORTANT

TOGETHER WITH CHEMISTRY>Chapter 2 - Chemical Changes and Reactions>Self Evaluation Test>Q 7

Complete and balance the equation.

$N_{2} + O_{2} \to$ _____

MEDIUM

9th ICSE

IMPORTANT

TOGETHER WITH CHEMISTRY>Chapter 2 - Chemical Changes and Reactions>Self Evaluation Test>Q 7

Complete and balance the equation.

${CuCO}_{3} \overset{∆}{\to}$ _____ $+$ _____