Download App

Air — CHEMISTRY STD 6 — Question

ICSE BoardEnglish MediumSTD 6CHEMISTRYAir5 Marks
Question
State the similarities and differences between respiration and burning.
✓

Answer

Respiration :
  1. Oxygen is required
  2. Carbon dioxide and water vapour are released.
  3. It is a natural and continuous process.
  4. It is a slow process.
  5. It takes place at body temperature (37 °C).
  6. Small amount of energy is released in the form of heat.
Burning (Combustion) :
  1. Oxygen is required.
  2. Carbon dioxide and water vapour are released.
  3. It is mostly an artificial and discontinuous process.
  4. It is a quick process.
  5. It takes place at high temperature.
  6. Large amount of energy is released in the form of heat and light.

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→Air — all question types→CHEMISTRY STD 6 question papers→ICSE Board STD 6 question papers→ICSE Board question paper generator→

Similar questions

Match the formulas of the following gases with their correct names :

Gases - $(a) H_2 (b) N_2(c) O_2 (d) Cl_2 (e) HCI (f) NH_3 (g) CO (h) CO_2 (i) SO_2 (j) NO (k) NO_2.$

Names:

(1) Ammonia (2) Nitrogen Dioxide (3) Oxygen (4) Hydrogen (5) Nitrogen (6) Chlorine (7) Carbon Monoxide (8) Sulphur Dioxide (9) Nitrogen Monoxide (10) Carbon Dioxide (11) Hydrogen Chloride
→
List any five precautions taken care of while performing an experiment in a chemistry laboratory.
→
Match the compounds in List I – 1 to 20 with their correct formulas from in List II-A to T.
  List I   List II
1 Hydrochloric acid $A$ $NaCI$
2 Potassium Hydroxide $B$ $NaOH$
3 Sulphuric Acid $C$ $KCI$
4 Zinc Hydroxide $D$ $Ca(OH)_2$
5 Sodium Chloride $E$ $CaS$
6 Nitric Acid $F$ $CuSO_4$
7 Calcium Hydroxide $G$ $CaCO_3$
8 Carbonic Acid $H$ $NH_4CI$
9 Sodium hydroxide $I$ $HCI$
10 Copper sulphate $J$ $ZnO$
11 Potassium Chloride $K$ $$HNO_3$$
12 Calcium Carbonate $L$ $H_2CO_3$
13 Magnesium Sulphide $M$ $MgS$
14 Zinc Sulphate $N$ $MgO$
15 aluminium Hydroxide $O$ $KOH$
16 Sodium Carbonate $P$ $ZnSO_4$
17 Calcium Sulphide $Q$ $Na_2CO_3$
18 Magnesium Oxide $R$ $H_2SO_4$
19 Zinc Oxide $S$ $AI(OH)_3$
20 Ammonium Chloride $T$ $Zn(OH)_2$
→
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.
→
Fill the following chart showing twelve solids, twelve liquids, four gases and eight materials.
→
Define the following terms.
1. Respiration
2. Combustion
3. Photosynthesis
→
With the help of a simple diagram how would you show that – solids expand on heating
→
Name the steps involved in the purification of drinking water supplied in cities and towns
→
State what is meant by ‘magnetic separation of two mixtures’. Explain how iron particles can be separated from sulphur particles.
→
Match the metallic elements – with their correct symbols Metallic elements
Metallic elements Symbol
(a) Potassium (1) Ca
(b) Sodium (2) Zn
(c) Calcium (3) Pb
(d) Magnesium (4) Hg
(e) Zinc (5) Cu
(f) Aluminum (6) Au
(g) Iron (7) K
(h) Lead (8) Fe
(i) Copper (9) Al
(j) Mercury (10) Na
(k) Silver (11) Mg
(l) Platinum (12) Pt
(m) Gold (13) Ag
→