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Subject :NSO    Class : Class 8

While demonstrating the reactivity order of different metals, a science teacher arranged the following apparatus :

Select the correct statement regarding this activity.

A A chemical change will take place in all the three beakers if metal Y is magnesium.
B There will be no change in colour of solution if metal Y is aluminium.
C The reactivity order of given metals is Y > Zinc > Iron > Copper if reaction occurs in beaker (III).
D All of these

Ans 1:

Class : Class 8

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