Download App

Air and Atmosphere — CHEMISTRY STD 6 — Question

ICSE BoardEnglish MediumSTD 6CHEMISTRYAir and Atmosphere5 Marks
Question
State two similarities and two differences between respiration and burning.
✓

Answer

Similarities:
Burning
  1. Oxygen is needed to combine with carbon and hydrogen in compound.
  2. .CO2 and H2O are formed with release of energy.

Respiration

  1. Oxygen is needed to combine with C and H2 of food.
  2. CO2 and H2O are formed with release of energy.

Differences:
Burning

  1. It occurs at higher temperatures.
  2. It is a fast process.
  3. A natural and continuous process.

Respiration

  1. It occurs at body temperature.
  2. It is a slow process.
  3. An artificial & discontinuous process.

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 "[5 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

Give four main difference between a mixture and a compound.
→
Explain the term ‘Interconversion of matter’. With reference to ice, water, and water vapour show diagrammatically the change of state of matter from solid to liquid to gaseous and back to the original state.
→
To identify materials of common use
Procedure – Just move around in your house – in the drawing room, sitting room, bedroom, kitchen, bathroom etc. Identify the things and All in the blanks in the table given below
No. Place Name of the thing Material used for making the thing
1 Study room
2 Drawing room
3 Kitchen
4 bathroom
5 Any other place
→
State the technique of separation of immiscible liquids using a separating funnel.
→
Differentiate between homogeneous and heterogeneous mixtures with suitable examples.
→
You are given a test tube with two outlets and a bottle of lime water. Using same, how would you demonstrate experimentally the presence of carbon dioxide in air.
→
Match the statements in List I – 1 to 10 correct answers in List II-A to J.
List I LIst II
1 Fluorine and chlorine A Nitrogen
2 A diatomic molecule B Boron
3 A molecule containing the elements hydrogen and oxygen. C Reactants
4 A metalloid - showing properties of both metals and non-metals. D Chemical Formula
5 The term used for the substances which take part in the chemical reaction E Halogens
6 The term represents a substance by means of symbols. F Water
7 The term used for the substances formed as a result of a chemical reaction G Nitric Acid
8 A compound containing one atom of zinc and two atoms of chlorine. H Products
9 The chemical name for nitrogen monoxide. I Phosphorus
10 A polyatomic molecule. J Zinc Chloride

→
Differentiate between the terms sedimentation and decantation with a suitable experimental technique.
→
State the importance of the following components of air.
(a) Nitrogen
(b) Oxygen
(c) Carbon dioxide
→
State what would you observe if
(a) sugar is added to pebbles take in a plastic beaker
(b) sand is added to glass balls in a beaker. What would you conclude from this imaginative demonstration?
→