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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
Write true or false for the statement.
Dissolving of solute in a solvent and rusting of iron are both physical changes.
State the various conditions that favour the process of evaporation.
Tick (√) the correct alternative from the choice given for the following statement
Which one of the following is volatile in nature ?
Write true or false
Burning of paper and formation of curd are reversible changes.
Classify the following as physical or chemical change :
Formation of curd from milk
Classify the following as physical or chemical changes :
Breaking of a glass tumbler
Select the chemical changes from the following list of changes
Vaporisation of water into water vapour.
What type of energy changes is associated when ice melts?
Distinguish physical and chemical changes.
Gas exists in three states as solid, liquid, and gas.
