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प्रश्न
Name the following.
The salt obtained when a chemical change takes place on the addition of iron to dilute sulphuric acid.
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उत्तर
FeSO4 (Iron Sulphate)
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संबंधित प्रश्न
A physical change is temporary. Explain.
True or false
Dissolving of a solid in liquid is a physical change.
Make a list of different types of changes with example.
State one instance where water undergoes a physical change and one in which it undergoes a chemical change.
Classify the following as physical or chemical change :
Condensation of steam
Which of the following are chemical changes ?
- decaying of wood
- burning of wood
- sawing of wood
- hammering of nail into wood
Fill in the blank.
The process of a liquid changing into a solid is called ________
Select the chemical changes from the following list of changes
Glowing of an electric bulb.
What is the difference between dissolution of sugar and burning of sugar ?
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.
