Question

A. Choose the correct answer.

1. Which of the following substances is used for loading?
a. Alum b. Chlorine
c. Fluorine d. Oil

2. Which of the following is an example of a metal?
a. Iron b. Oxygen
c. Helium d. Water

3. Oxygen, hydrogen and sulphur are examples of which of the following?
a. Metals b. Non-metals
c. Metalloids d. Inert gases

4. Iron pieces from food grains can be removed by which of the following methods?
a. Evaporation b. Magnetic separation
c. Washing d. Sieving

5. Which of the following mixtures can be seprated by sublimation?
a. Ammonium chloride and sand
b. Ammonium chloride and water
c. Sand and salt
d. Salt and water​

Answer 1

Answer:

1 alum

2 iron

3 non metals

4 magnetic separation

5 salt and water

Answer 2

Hope it helps you

1. a. Alum

2. a. Iron

3. b. Non-metals

4. b. Magnetic Separation

5. a. Ammonium chloride and sand