Name two metals that are more reactive than zinc

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Solution

Sodium (Na), Potassium (K), and Calcium (Ca) are metals that are more reactive than zinc(Zn).
Since they are more reactive, they cannot be used for the laboratory preparation of hydrogen because these (Na, K, and Ca) are uncontrollable and often explosive.

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Food cans are coated with tin and not with zinc because

(a) zinc is costlier than tin.

(b) zinc has a higher melting point than tin.

(d) zinc is less reactive than tin.

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Q. Question 4
Food cans are coated with tin and not with zinc because:
a) Zinc is costlier than tin
b) Zinc has a higher melting point than tin
c) Zinc is more reactive than tin
d) Zinc is less reactive than tin

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Name two metals that are more reactive than zinc

Sodium (Na), Potassium (K), and Calcium (Ca) are metals that are more reactive than zinc(Zn).Since they are more reactive, they cannot be used for the laboratory preparation of hydrogen because these (Na, K, and Ca) are uncontrollable and often explosive.

Sodium (Na), Potassium (K), and Calcium (Ca) are metals that are more reactive than zinc(Zn).
Since they are more reactive, they cannot be used for the laboratory preparation of hydrogen because these (Na, K, and Ca) are uncontrollable and often explosive.