Select the correct option based on statements below:

Assertion (A):	An ordinary filter paper impregnated with collodion solution stops the flow of colloidal particles.
Reason (R):	The pore size of the filter paper becomes larger than the size of the colloidal particle.

 

1.	Both (A) and (R) are true and (R) is the correct explanation of (A).
2.	Both (A) and (R) are true but (R) is not the correct explanation of (A).
3.	(A) is true but (R) is false.
4.	(A) is false but (R) is true.

Select the correct option based on statements below:

Select the correct option based on statements below:

Select the correct option based on statements below:

Match the items in Column I and Column II.

Codes

Match the types of colloidal systems given in Column I with the names given in Column II.

Codes

The correct statement regarding changes in the catalyst during a reaction is -

a.  Physical

b.  Qualitative

c.  Chemical

d.  Quantitative

1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)

The correct statements among the following when a Lyophilic sol is added to a Lyophobic sol is-

a. Lyophobic sol is protected

b. Lyophilic sol is protected

c. Film of lyophilic sol is formed over lyophobic sol

d. Film of lyophobic sol is formed over lyophilic sol

1. (a, b)

2. (b, c)

3. (c, a)

4. (a, d)

The correct statements among the following is -

a. Mixing two oppositely charged sols neutralises their charges and stabilises the colloid.

b. The presence of equal and similar charges on colloidal particles provides stability to the colloids.

c. Any amount of dispersed liquid can be added to emulsion without destabilising it.

d. Brownian movement stabilises sols.

1. (a, b)

2. (b, c)

3. (c, d)

4. (b, d)

The correct statements among the following about solid catalysts is -

1. a and b
2. b and c
3. c and d
4. a and d