Question

Fill in the Blanks
1. Making sugar solution is a ………………… change.
2. A physical change is generally ………………… . [NCERT Exemplar]
3. Grinding of wheat grain changes its size. It is a ………………… change.
4. Iron benches kept in lawns and gardens get ………………… . It is a ………………… change bacause a new ………………… is formed.
5. Some substances can be obtained in pure state from their solution by ………………… .
6. Energy is ………………… in the formation of curd from milk.
7. The presence of ………………… in sea water makes the process of rust formation on ships faster.
8. Souring of milk is a ………………… change.
9. Melting of wax is a ………………… change but burning of wax is a change.
10. The process of depositing a thin layer of zinc on iron object is called ………………… .

Answer 1

Answer:

1. chemical change
2. temporary
3. physical change
4. rusted , chemical , substance
5. physical change
6. used more
7. oxygen
8. chemical change
9. physical change
10. chemical change..

Explanation:

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Answer 2

1. chemical change
2. temporary
3. physical change
4. rusted chemical and substance
5. physical change
6. used more
7. oxygen
8. chemical change
9. physical chemical change

Explanation:

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