Download App

Is Matter Around Us Pure — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceIs Matter Around Us Pure1 Mark
MCQ
Pure copper sulphate can be obtained form an impure sample by the process of:
  • A
    Evaporation.
  • B
    Fractional distillation.
  • C
    Centrifugation.
  • ✓
    Crystallization.
✓

Answer

Correct option: D.
Crystallization.
Crystallization is the process of cooling a hot concentrated solution of a substance to obtain its crystals in pure form.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q. [1 M]" from Is Matter Around Us Pure→Is Matter Around Us Pure — all question types→Science STD 9 question papers→Gujarat Board STD 9 question papers→Gujarat Board question paper generator→

Similar questions

A man is 25m behind a bus, when bus starts accelerating at 2 m/ s2 and man starts moving with constant velocity of 10 m/ s. Time taken by him to board the bus is _________?
→
Compressions and rarefactions are seen in:
→
Which one from the following is an example of multicellular organism?
→
When we kick a stone, we get hurt. Due to which one of the following properties does it happens?
→
In the Pila, the gastropod mollusk, the organ of the locomotion is:
→
Barium chloride reacts with sodium sulphate to form Barium sulphate and sodium chloride. Then, according to the law of conservation of mass:
→

The speed of a moving object is determined to be 0.06m/s. This speed is equal to:

    →
    Some bacteria have the ability to 'fix' nitrogen. This means:
    →
    $5-$Kingdom classification has given by:
    →
    Which of the following is a food-fodder mixed farming system?
    →