A metallic plate sticks firmly on the mouth of a water vessel made from another metal. By the way of heating, one can detach the plate from the vessel. This is

Question

A metallic plate sticks firmly on the mouth of a water vessel made from another metal. By the way of heating, one can detach the plate from the vessel. This is because heat

Accepted Answer

(C) the vessel more than the plate

Answer

(A) the vessel only

Answer

(B) both the vessel and the plate equally

Answer

(D) the vessel and contracts the plate