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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
Write true or false for the statement.
Burning of paper and formation of curd are reversible changes
Classify the following changes as physical or chemical:-boiling
What do you observe when :
lighted match stick is brought near the mouth of the test tube containing hydrogen gas.
Name a chemical change which takes place in presence of:
State whether the following is physical or chemical changes.
respiration in living beings —
Which of the following are physical changes and which are chemical changes ?
Glowing of an electric bulb
What will you take into account while identifying the following?
A physical change in a substance.
Select the chemical changes from the following list of changes
The crystallisation of salt from its solution.
Select the correct answer from the choice given below to complete the sentence
The matter is added or removed during a ____________ change.
Give an example to justify the statement that physical changes can be reversible as well as irreversible.
