Download App

Matter in Our Surroundings — Science STD 9 — Question

Rajasthan BoardEnglish MediumSTD 9ScienceMatter in Our Surroundings1 Mark
Question
An earthenware keeps water cool but a metallic vessel does not because:
✓

Answer

  1. Earthenware has pores.
Explanation:
An earthenware keeps water cool but a metallic vessel does not because earthenware has pores.
Because of these pores, some of the water can easily evaporate through them, because of this evaporation the water inside is kept cool.
This is not possible in a metallic vessel.

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

Similar questions

Newton's law of gravitation is universal law, because it:
→
The first person to see the live cell under the microscope was:
→
Which of the following is not a pure substance:
→
When a stone falls freely towards the earth, its total energy ?
→
The master mind of the cell is:
→
In construction of a building, which of the following is used:
→
Which of the following is not an element?
  1. Graphite.
  2. Germaniumcc.
  3. Silica.
  4. Silicon.
→
When a rubber balloon held between the hands is pressed, its shape changes. This happens because:
  1. Balanced forces act on the balloon.
  2. Unbalanced forces act on the balloon.
  3. Frictional forces act on the balloon.
  4. Gravitational forces act on the balloon.
→
A mixture of two or more miscible liquids, for which the difference in the boiling points is less than 25 K can be separated by the process called:
→
Pulses are rich in:
→