Which one of the following dissolves in ...

Which one of the following dissolves in hot concentrated `NaOH?`

A

Fe

B

Zn

C

Cu

D

Ag

Text Solution

Verified by Experts

The correct Answer is:

B

`Zn+2NaOHoverset("heat")rarr Na_(2)ZnO_(2)+H_(2)`.

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Knowledge Check

Which of the following dissolves in hot concentrated NaOH solution?

A

Fe

B

Zn

C

Cu

D

Ag

Which of the following dissolves in hot concentrated NaOH solution?

A

Fe

B

Zn

C

Cu

D

Ag

Which one of the following oxides dissolves in water ?

A

CuO

B

`Al_(2)O_(3)`

C

`Fe_(2)O_(3)`

D

`Na_(2)O`

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