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प्रश्न
Tick (√) the correct alternative from the choice given for the following statement
Burning is a
विकल्प
slow process
fast process
natural process
none of the above
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उत्तर
fast process
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संबंधित प्रश्न
What do you observe when :
a piece of paper is burnt
What do you observe when :
a spoon of sugar is heated in a pan
State whether the following is physical or chemical changes.
Melting of wax —
True or false?
During a physical change energy is either given out or absorbed by the system.
Melting of solid (wax) is a physical change.
Under which different types can the following changes be classified?
Revolution of the earth around the sun.
Under which different types can the following changes be classified?
Stretching of a spring.
Paper, LPG, CNG petrol, etc, are ______ substances.
The difference between initial state and the final state is called change.
______ is the process in which something becomes different from what it was earlier.
