Download App

Matter in Our Surroundings — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceMatter in Our Surroundings2 Marks
Question
Suggest a method to liquefy atmospheric gases.
✓

Answer

The gases can be converted into liquids by bringing its particles closer so atmospheric gases can be liquefied either by decreasing temperature or by increasing pressure.

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

Plot the v-t graph for the following data and state the nature of motion the body:
v(m/s):
0
5
8
12
18
25
30
35
40
45
t(s):
2
4
6
8
10
12
14
16
18
20
→
Give the scientific name of the following:
  1. Roundworm.
  2. Filarial worm.
→
Which of the following materials fall in the category of a “pure substance”?
  1. Ice.
  2. Milk.
  3. Iron.
  4. Hydrochloric acid.
  5. Calcium oxide.
  6. Mercury.
  7. Brick.
  8. Wood.
  9. Air.
→
Write down three unique characteristics of storage structure.
→
Explain the transformation of energy in the following cases:
  1. A ball thrown upwards.
  2. A stone dropped from the roof of a building.
→
Write two differences between plant cell and animal cell.
→
Write down two unique characters of Porifera.
→
A bus decreases its speed from $80\ km/h^{−1}$ to $60km/h^{−1}$ in $5s$. Find the acceleration of the bus.
→
Why does water need conservation even though large oceans surround the land masses?
→
The density of turpentine is $840 \mathrm{~kg} / \mathrm{m}^3$. What will be its relative density? (Density of water $=$ $1000 \mathrm{~kg} / \mathrm{m}^3$ )
→