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प्रश्न
Select the correct answer from the choice given below to complete the sentence
The matter is added or removed during a ____________ change.
पर्याय
chemical
physical
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उत्तर
The matter is added or removed during a chemical change.
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संबंधित प्रश्न
State whether the following is physical or chemical changes.
lightning —
Tick (√) the correct alternative from the choice given for the following statement.
A substance which can not sublime is
Write true or false
Burning of paper and formation of curd are reversible changes.
Classify the following as a physical or a chemical change.
Melting of wax
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
Change of seasons
Stretching gold coin into a ring is a ______ change.
Assertion: The explosion of fire cracker is a physical change.
Reason: A physical change is a reversible change.
When solute is dissolved in a solvent it forms a solution.
Fill in the blanks in the following statements using the words given in the box.
| rusted, colourful, substance, chemical, physical, reversible, iron oxide, object |
- Making sugar solution is a ______ change.
- A physical change is generally ______.
- Grinding of wheat grain changes its size. It is a ______ change.
- Iron benches kept in lawns and gardens get ______. It is a ______ change because a new ______ is formed.
