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Question

Match the following:
(i)Water(A)Compound(ii)Hydrogen(B)Element(iii) Salt(iv) Gold(v) Carbon dioxide(vi) Iron
The correct pairs are:


A

(i, iii, iv) – A, (ii, v, vi) - B

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B

(i, iii, v) – A, (ii, iv, vi) - B

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C

(i, ii, v) – A, (iii, iv, vi) - B

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D

(i, ii, iii) – A, (iv, v, vi) - B

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Solution

The correct option is B

(i, iii, v) – A, (ii, iv, vi) - B


Water (H2O ) is composed of hydrogen and oxygen. Therefore, it is a compound.

Hydrogen is an element.

Salt (NaCl) is composed of sodium and chlorine. Therefore it is a compound.

Gold is an element.

Carbon dioxide is composed of carbon and oxygen. Therefore, it is a compound.

Iron is an element.


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