MCQ
Which one of the following is different from others?
- AAluminium.
- BIron.
- CSilver.
- ✓Sand.
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|
S.No.
|
Mixture
|
Wanted
|
Unwanted
|
|
$1.$
|
Wheat flour
|
Flour
|
$X$
|
|
$2.$
|
$Y$
|
Grain seeds
|
Stalks
|