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प्रश्न
Write true or false
Deforestation is a man-made change.
विकल्प
True
False
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उत्तर
True
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संबंधित प्रश्न
Make a list of different types of changes with example.
Fill in the blank.
When a candle burns, wax melts. Melting of wax is a ________ change.
State whether the following is physical or chemical changes.
mixing oil with water —
Tick the most appropriate answer.
Physical changes are
Tick the most appropriate answer.
Photosynthesis requires
Write true or false
Dissolving of solute in a solvent and rusting of iron are both physical changes.
Select the chemical changes from the following list of changes
Rotting of eggs.
Give the reason why the following is considered as chemical changes.
An iron nail kept open in the atmosphere rusts.
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.
