Download App

Matter in Our Surroundings — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceMatter in Our Surroundings2 Marks
Question
Explain why, diffusion occurs more quickly in a gas than in al iquid.
✓

Answer

Diffusion occurs more quickly in gases than in a liquid because the particles in gases move very quickly in all directions whereas the particles in liquids move slowly as compared to the gas particles.

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 "Que-Ans (Each of 2 Mark )" 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

Where do lipids and proteins constituting the plasma, membrane get synthesised?

→

What is the mass of 5m3 of cement of density 3000 kg/m3?

→
The velocity of a body of mass 10kg increases from 4m/s to 8m/s when a force acts on it for 2s.
What is the momentum before the force acts?
→
Why does our palm feel cold when we put some acetone or petrol or perfume on it?
→
A truck starts from rest and rolls down a hill with a constant acceleration. It travels a distance of 400m in 20s. Find its acceleration. Find the force acting on it if its mass is 7 tonnes (Hint: 1 tonne = 1000kg.)
→
Why does the temperature of a substance remain constant during the change of state?
→
What would you observe when:
An aqueous sugar solution is heated to dryness.
→

A car is being driven by a force of 2.5 × 1010N. Travelling at a constant speed of 5m/s, it takes 2 minutes to reach a certain place. Calculate the work done.

→
Why is the weight of an object on the moon $\frac{1}6$th its weight on the earth?
→
What is an atom? How do atoms usually exist?
→