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प्रश्न
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.
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उत्तर
- Making sugar solution is a physical change.
- A physical change is generally reversible.
- Grinding of wheat grain changes its size. It is a physical change.
- Iron benches kept in lawns and gardens get rusted. It is a chemical change because a new substance is formed.
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संबंधित प्रश्न
Fill in the blank.
An earthquake is a .................. change.
Ripening of fruits is a desirable change.
Make a list of different types of changes with example.
A burning candle shows both physical and chemical changes. Explain ?
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.
Curdling of Milk
What will you take into account while identifying the following?
A physical change in a substance.
Fill in the blank with the appropriate word of the statement given below:
If a change is permanent and irreversible it is considered a _________ change.
Name the following.
A form of energy required for a chemical change.
Mention some of the different conditions needed for chemical changes to occur.
