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प्रश्न
Name the following.
The gaseous product of the chemical change which takes place during respiration in living organisms.
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उत्तर
CO2 carbon dioxide.
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संबंधित प्रश्न
Fill in the blank.
Changes that occur in nature are called ........................
What are reversible and irreversible changes ? Give one example for each.
A burning candle shows both physical and chemical changes. Explain ?
State whether the following is physical or chemical changes.
water cycle in nature —
Write true or false
Rusting of iron is a chemical change.
Give two examples of periodic changes.
Fill in the blank.
A change, which alters the composition of a substances, is known as a___________ change.
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.
Periodic and non-periodic change
Name the following:
The type of change physical or chemical involved – ‘when a substance undergoes a change in state, colour or size’.
Explain the characteristics of physical change with examples.
