Download App

Matter in Our Surroundings — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceMatter in Our Surroundings1 Mark
MCQ
Why does applying spirit give us a cool sensation:
  • A
    Spirit condenses quickly.
  • B
    Spirit evaporates at a slower rate.
  • C
    Spirit evaporates quickly.
  • D
    None of above
✓

Answer

  1. Spirit evaporates quickly.

Explanation: 

Spirits are very volatile liquids, which means they evaporate very quickly. When we apply spirit on our body, its particles gain energy from the surface and evaporate, thus, giving our body a cool sensation.

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 Matter in Our Surroundings→Matter in Our Surroundings — all question types→Science STD 9 question papers→Gujarat Board STD 9 question papers→Gujarat Board question paper generator→

Similar questions

The number of electrons in the atom of an element X is 15 and the number of neutrons is 16. Which of the following is the correct representation of an atom of this element?

  1. $^{31}_{15}\text{X}$

  2. $^{31}_{16}\text{X}$

  3. $^{16}_{15}\text{X}$

  4. $^{15}_{16}\text{X}$

→
If body having initial velocity zero is moving with uniform acceleration 8m/ sec2.The distance travelled by it in fifth second will be:
→
When a crystal of potassium permanganate is placed at the bottom of water in a beaker, the water in the whole beaker turns purple on its own, even without stirring. This is an example of:
→
Which of the following is not a mixture?
→
Sum of atomic masses of all atoms in a formula unit of an ionic compound is known as :
→
Buoyant force is exerted by:
→
The ratio of force and acceleration is:
→
In liquids, there is ____________ and ____________ between particles:
→
Choose the correct statement(s):
→

A car of mass 1000kg is moving with a velocity of 10ms-1. If the velocity-time graph for this car is a horizontal line parallel to the time axis, then the velocity of car at the end of 25s will be:

  1. 25ms-1
  2. 40ms-1
  3. 10ms-1
  4. 250ms-1
→