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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.
विकल्प
chemical
physical
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उत्तर
The matter is added or removed during a chemical change.
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संबंधित प्रश्न
Tick the most appropriate answer
2. Melting of ice is a
- reversible change
- irreversible change
- chemical change
- none of these
Make a list of different types of changes with example.
Write true or false
Rusting of iron is a chemical change.
Tick (√) the correct alternative from the choice given for the following statement.
The compound rust is a hydrated oxide of
Match the columns.
| Column A | Column B |
| 1. a change which cannot be easily reversed | a. man-made change |
| 2 a change that repeats itself at regular intervals | b. chemical chang |
| 3. a change that is made by humans | c. physical change |
| 4. a change in which the original substance cannot be obtained | d. periodic change |
| 5. a change where no new substance is formed | e. irreversible change |
| f . slow change |
Classify the following as physical or chemical changes :
Breaking of a glass tumbler
What is a physical change ? Give two examples of physical changes.
Fill in the blank with the correct word of the statement given below:
Sublimation involves a __________ change.
Sublimation of Iodine is a ______.
Tearing of sheet of paper into pieces is ______ By the process of Heating of water, change.
