Download App

Natural Resources — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceNatural Resources1 Mark
MCQ
Air is:
  • A
    God conductor of heat.
  • ✓
    Bad conductor of heat.
  • C
    Neither good or bad conductor of heat.
  • D
    Sometimes good and sometimes bad conductor of heat.
✓

Answer

Correct option: B.
Bad conductor of heat.
This is because its molecules are not in direct contact with one another. Heat conduction occurs best through substances whose molecules are in contact with one another. So air is a bad conductor of heat.

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 Natural Resources→Natural Resources — all question types→Science STD 9 question papers→Gujarat Board STD 9 question papers→Gujarat Board question paper generator→

Similar questions

Clean drinking water is related to:
→
Which part of an atom is represented by the blue circles?
→
Consider the following information in respect of four objects $A, B, C$ and $D:$
Object Density (kg/m$^3$) Volume (m$^3$) Mass (kg)
$A$ - $2$ $4000$
$B$ $8000$ $4$ -
$C$ $2000$ - $1000$
$D$ - $4$ $2000$
Which object would float on water?
→
Nervous tissue is not found in:
→
We should not allow mosquitoes to breed in our surroundings because they
→
Using fertilizers in farming is an example of
→
Making anti$-$viral drugs is more difficult than making anti$-$bacterial medicines because:
→
A man stands at one end of a long steel pipe hits it with a hammer. Another man standing at the other end of the pipe hear $2$ seconds. This is because:
→
The electronic configuration of $\mathrm{Cl}^{-}$ ion is:
→
You are sitting in a stationary car. There is a helium balloon tied to its floor. You accelerate and obviously feel like you are being pushed backwards (against the direction of your accelerations). The balloon.
→