Question

2. The rate of diffusion of gases is _____ than that of liquids. [ ]

a) Lower b) Higher c) Moderate d) Both a and b

3. What kind of solution is drinking soda ? [ ]

a) Gas in liquid b) Liquid in gas c) Gas in gas d) Solid in liquid

4. The forces of attraction between molecules is greatest in the _____ state [ ]

a) Liquid b) Gaseous c) Solid d) All

5. What is the formula of Potassium permanganate ? [ ]

a) KMnO2

b) KMO4

c) KMnO4

d) KMnO

6. What do you observe after adding the KMnO4

drop to the 250 ml beaker with water ? [ ]

a) There is no change in the beaker b) The water changes to pink in beaker

c) Both a and b d) None

7. Diffusion is possible only when particles of matter move __________ [ ]

a) Continuously b) Not continously c) Constant d) All​

Answer 1

Answer:

2) b

3) a

4) c

5)b

6) I think no change

7)a

I hope this will help you ❤️❤️

Answer 2

2) b) Higher.

3) a) Gas in liquid.

4) c) Solid

5) c) KMnO4

6) b) The colour of the water changes to pinkish colour.

7) a) Continuously

Hope this helps!