An alloy of Zn and Cu is dissolved in dil HCl. Hydrogen gas is evolved. In this evolution of gas.
(1) Only zinc reacts with dil HCl
(2) Only copper reacts with dil HCl
(3) Both zinc and copper reacts with dil HCl
(4) Only copper reacts with water
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An alloy of Zn and Cu is dissolved in dil HCl. Hydrogen gas is evolved. In this evolution of gas.
(1) Only zinc reacts with dil HCl
(2) Only copper reacts with dil HCl
(3) Both zinc and copper reacts with dil HCl
(4) Only copper reacts with water
An alloy of Zn and Cu is dissolved in dil HCl. Hydrogen gas is evolved. In this evolution of gas.
(1) Only zinc reacts with dil HCl
(2) Only copper reacts with dil HCl
(3) Both zinc and copper reacts with dil HCl
(4) Only copper reacts with water
(1) Only zinc reacts with dil HCl