Copper oxide reacts with $H C l$ and gives :

hydrogen

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water

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copper salts

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both

B

and

C

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Solution

The correct option is B both $B$ and $C$
Copper oxide is an amphoteric oxide, so it dissolves in mineral acids such as HCl to give copper salts and water.
$C u O + 2 H C l \to C u C l_{2} + H_{2} O$

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Similar questions

Question 24.
Which of the following statements is not correct ?

(a) All metal carbonates react with acid to give a salt, water and carbon dioxide
(b) All metal oxides react with water to give salt and acid
(c) Some metals react with acids to give salt and hydrogen
(d) Some non-metal oxides react with water to form an acid

Q. When magnesium oxide reacts with

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, it gives:

A metal 'A' reacts with dilute HCl to give metal salt and a gas 'B'. Identify gas is 'B'.

Q. A and B are two salts. A with dil. HCl and B with conc.

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react to give reddish-brown vapours, hence A and B respectively are:

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. Reason: Only Manganese dioxide gives a gaseous product.

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Copper oxide reacts with HCl and gives :

The correct option is B both B and CCopper oxide is an amphoteric oxide, so it dissolves in mineral acids such as HCl to give copper salts and water. CuO+2HCl→CuCl2+H2O

Copper oxide reacts with $H C l$ and gives :

The correct option is B both $B$ and $C$
Copper oxide is an amphoteric oxide, so it dissolves in mineral acids such as HCl to give copper salts and water.
$C u O + 2 H C l \to C u C l_{2} + H_{2} O$