Question
The liquid in which iron can float is:
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|
S.No
|
Column $I$
|
|
Column $II$
|
| $a$ |
$9.033 \times 10^{24}$ atoms
|
$i$ |
$46g$ of He
|
| $b$ |
$2$ moles of Na
|
$ii$ |
$15$ moles
|
| $c$ | $11.2 L$ of $O_2,$ at $\text{STP}$ | $iii$ |
$3.011 \times 10^{23}$ molecules
|
| $d$ |
$22g$ of $CO_2$
|
$iv$ |
$16g$
|
|
|
Column I
|
|
Column II
|
|
A.
|
Solution
|
I.
|
Chalk in water
|
|
B.
|
Colloid
|
II.
|
Tincture of iodine
|
|
C.
|
Suspension
|
III.
|
Starch in water
|
|
D.
|
Homogeneous
|
IV.
|
A mixture of chalk and sand
|
|
E.
|
Heterogeneous
|
V.
|
Air
|