Download App

Is Matter Around Us Pure ? — Science STD 9 — Question

Rajasthan BoardEnglish MediumSTD 9ScienceIs Matter Around Us Pure ?1 Mark
Question
Which of the following is not a suspension:
✓

Answer

  1. Milk
Explanation:
Milk is a colloid and is a mixture of fat dispersed and suspended in water.
Suspension is distinguished from colloids by larger particle sizes which settle down when the solution is kept undisturbed, which is the case with the solutions mentioned in A, B and C.

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→Rajasthan Board STD 9 question papers→Rajasthan Board question paper generator→

Similar questions

Tincture of iodine has antiseptic properties. This solution is made by dissolving:
  1. Iodine in potassium iodide.
  2. Iodine in acetone.
  3. Iodine in water.
  4. Iodine in alcohol.
→
Below the skin, the fat is in the form of ____________?
→
Communication satellites move in $44400\ km$ around the earth. Assume that the only force acting on it is that due to the earth, then what is acceleration of such a satellite? $($Take, mass of earth $= 6 \times 10^{24}kg)$
→
The device which converts mechanical energy into energy which runs our microwave oven is:
→
When a car driver travelling at a speed of $10m/s$ applies brakes and brings the car to rest in $20s,$ then retardation will be:
→
The atomic number of an element X is 8 and that of element Y is 4. Both these elements can exhibit a valency of:
  1. 1
  2. 2
  3. 3
  4. 4
→
The term ‘cell’ was given by:
→
The time taken by ___ oscillation  to complete is called time period:
→
The radioactive isotope used in the treatment of cancer is:
→
Which of the following statements is/ are correct:
→