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प्रश्न
Classify the Following as a Physical Or a Chemical Change.
Formation of Clouds
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उत्तर
Physical change
APPEARS IN
संबंधित प्रश्न
A physical change is temporary. Explain.
Make a list of different types of changes with example.
State whether the following is physical or chemical changes.
lightning —
State the various conditions that favour the process of evaporation.
Fill in the blank.
The reaction in which energy is evolved is called
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.
Select the correct answer from the choice given below to complete the sentence
The energy required for completion of a physical change is ______________ when the change is reversed.
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.
Give two examples for the following case:
Physical changes which are reversible
The change of state of a substance from solid to liquid and liquid to gas is ______.
