Match the following-begin array -c- c - Whline i- Water - A- CompoundWhlineiii- space Salt - - Whline iv- ispace Gold - - Whlinev - Space Carbonispace dioxide - - Whlinevi - Ispace Iron - -lllhline lendarray The correct pairs are-

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Standard VIII

Chemistry

Elements and Types

Match the fol...

Question

Match the following:

$\begin{matrix} (i) & W a t e r & (A) & C o m p o u n d (i i) & H y d r o g e n & (B) & E l e m e n t (i i i) & S a l t (i v) & G o l d (v) & C a r b o n d i o x i d e (v i) & I r o n \end{matrix}$
The correct pairs are:-

(i, iii, iv) – A, (ii, v, vi) - B

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(i, iii, v) – A, (ii, iv, vi) - B

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(i, ii, v) – A, (iii, iv, vi) - B

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(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 ( $H_{2} O$ ) 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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