MCQ
Attraction is maximum at the:
- ACentre
- ✓Poles
- CBoth $(a)$ and $(b)$
- DNone of these
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| S.No. | Column-$I$ | Column-$II$ | |
| $A.$ | The process by which coffee machines separate ground coffee from the coffee solution. | $(p)$ | Threshing |
| $B.$ | The process in which stalks are beaten for separating grain seeds. | $(q)$ | Condensation |
| $C.$ | The process due to which clothes are dried in cloth dryer. | $(r)$ | Filtration |
| $D.$ | The process due to which cloud formation takes place. | $(s)$ | Evaporation |
|
S.No.
|
Changes
|
Type
|
|
$1.$
|
Sharpening of pencil.
|
Physical, reversible.
|
|
$2.$
|
Evaporation of water.
|
Physical, irreversible.
|
|
$3.$
|
Opening of a bud.
|
Chemical irreversible.
|
|
$4.$
|
Rusting of iron.
|
Chemical reversible.
|