Advertisements
Advertisements
प्रश्न
Name the following.
The gaseous product of the chemical change which takes place during respiration in living organisms.
उत्तर
CO2 carbon dioxide.
APPEARS IN
संबंधित प्रश्न
A burning candle shows both physical and chemical changes. Explain ?
State whether the following is physical or chemical changes.
heating a mixture of iron filings and sulphur—
Tick (√) the correct alternative from the choice given for the following statement
Which one of the following is volatile in nature ?
Write true or false
A natural change can also be a desirable change.
Classify the following changes as physical or chemical.
Change is the law of nature and occurs in our everyday life, at all times and in all places.
Differentiate between the following change with a suitable example.
Slow and fast change.
Give a reason why
Change of seasons is a periodic change while the change of weather is a non-periodic change.
State which of the following 1 to 5 pertain to – A: Physical Change B: Chemical change :
- Sublimation.
- Fermentation.
- Liquefaction or condensation.
- Magnetization.
- Respiration.
Analogy:
Melting of ice: Physical change.
Popping of popcorn: ______.
Grinding of wheat grain changes its size. It is a ____________ change.
