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प्रश्न
Tick (√) the correct alternative from the choice given for the following statement.
An example of both physical and chemical change is
पर्याय
burning of candle
melting of ice
cooking of food
blowing of bulb
उत्तर
burning of candle
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संबंधित प्रश्न
Write short answer.
Give an example of desirable change which can also be undesirable
State whether the following is physical or chemical changes.
growing of a piglet into a pig —
Write true or false
Decomposition of leaves is a fast change.
Photosynthesis cannot take place at night.
Make a list of different types of changes with example.
Fill in the blank.
A change, which alters the composition of a substances, is known as a___________ change.
Given reason:
Freezing of water to ice and evaporation of water are physical changes.
Fill in the blank with the correct word of the statement given below:
Sublimation involves a __________ change.
Name the following.
A form of energy required for a chemical change.
Water is the universal solvent. Why?
