A) \[Ca\] and \[Ca{{H}_{2}}\]
B) \[Na\] and \[N{{a}_{2}}{{O}_{2}}\]
C) \[K\] and \[K{{O}_{2}}\]
D) \[Ba\] and \[Ba{{O}_{2}}\]
Correct Answer: A
Solution :
\[Ca+2{{H}_{2}}O\,\,\to \,\,Ca{{(OH)}_{2}}+{{H}_{2}}\] \[Ca{{H}_{2}}+2{{H}_{2}}O\,\,\to \,\,Ca{{(OH)}_{2}}+2{{H}_{2}}\]You need to login to perform this action.
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