Question

1 . write true or false . correct the false statements.
1. A mixture has a definite set of properties .
2. the constituents of a mixture can be separated by simple physical means.
3. petroleum is a mixture of group of compounds such as bitumen , diesel , and petroleum gas.
4. sieving is a better method of separating bran and wheat flour than winnowing.
5. lighter particles are separated from heavier particles in a mixture by winnowing.
6. common salt sublimes on heating wheares ammonium chloride does not .
7. We can get water from a mixture of salt and water by avaporation.​

Answer 1

Answer:

1. true

2. true

3. true

4. true

5. false

6. false

7. true

Answer 2

Answer:

1. True
2. True
3. True
4. True
5. True
6. False
7. False