Download App

Air and Atmosphere — CHEMISTRY STD 6 — Question

ICSE BoardEnglish MediumSTD 6CHEMISTRYAir and Atmosphere2 Marks
Question
Give reason:
Mountaineers and divers carry oxygen cylinders with them.
✓

Answer

For artificial respiration mountaineers carry oxygen cylinders as at high altitudes, the air is thin and breathing becomes difficult. Also divers carry oxygen cylinder for artificial respiration as there is less oxygen dissolved in water (less dense) and breathing becomes difficult.

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 "[2 Mark Question Answer]" from Air and Atmosphere→Air and Atmosphere — all question types→CHEMISTRY STD 6 question papers→ICSE Board STD 6 question papers→ICSE Board question paper generator→

Similar questions

Identify the pure substances and mixture from the following list :Solid common salt
Milk
Air
Oxygen
fruit juice
brass
copper sulphate crystals
distilled water
sugar solution
honey
ice cream
iron sulphate
→
Give reasons.
Sedimentary rocks are formed in layers.
→
On the basis of molecular theory, explain why a liquid has a definite volume but no definite shape.
→
State the principle involved in separation of solid-liquid mixtures by sedimentation and decantation
→
List the process in the interconversion of states of matter.
→
Briefly describe how respiration takes place in human beings.
→
Why are the symbols and formulae of substances important?
→
How is the knowledge of chemistry important to mankind?
→
Give reasons
Liquids and gases flow but solids do not?
→
Differentiate between living and non-living matter.
→