ICSE /Class 9
Chemistry MCQ Based On
Types of chemical changes
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ICSE Class 9 Chemistry Types of chemical changes
The Iron is more reactive than hydrogen.
Recall the definition of each of the options.
Elements on both the side of reaction should be equal.
A salt is formed by reacting acid and base.
This is an example of a displacement reaction.\\(CuSO_{4} \\)is blue in color.
The formula of limestone is \\(CaCO_{3}\\)
Loss of electron, taking place.
(NH_{4})_{2}Cr_{2}O_{7} is orange in colour.
No change in the composition of the steel.
Gain of electron
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