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प्रश्न
Tick (√) the correct alternative from the choice given for the following statement
Which one of the following is volatile in nature ?
विकल्प
common salt
petrol
water
milk
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उत्तर
petrol
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Making a fruit salad with raw fruits
Classify the following as chemical or physical change:
Burning of paper and wood
Tick (√) the correct alternative from the choice given for the following statement
A pop sound is heard when a lighted match stick is brought near the mouth of a jar. This indicates the release of gas.
Classify the following as a physical or a chemical change.
Manufacture of salt from sea water
Ammonium chloride is also a sublimable solid. Give a reason why the sublimation of ammonium chloride involves a physical and a chemical change.
Select the chemical changes from the following list of changes
The carbon cycle.
Give the reason why the following is considered as chemical changes.
Sulphur when burnt in air evolves a gaseous acidic product.
Grinding of wheat grain changes its size. It is a ____________ change.
Give two examples for the following case:
Physical changes which are not reversible
Which of the following is not a physical change?
