Multiple Choice Question Answer V — task. Science CBSE, Class 10.

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1. \(Zn\) + \(H_2O\) (Steam) → \(A\) + \(B\)

In the above equation (A) and (B) are

\(ZnO\) & \(H_2\)
\(Zn\) & \(H_3\)
\(ZnO_2\) & \(O_2\)
\(ZnH_2\) & \(O_2\)

2. Which of the following metals reacts vigorously with oxygen?

Magnesium
Copper
Zinc
Sodium

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