Heterogeneous catalysis is shown in:

1.	\(2SO_{2}{(g)} \ + \ O_{2}{(g)} \ \xrightarrow[]{Pt(s)} \ 2SO_{3}{(g)}\)
2.	\(4NH_{3}{(g)} \ + \ 3H_{2}{(g)} \ \xrightarrow[]{Fe(s)} \ 2NH_{3}{(g)}\)
3.	\(Vegetable \ oil(l) \ + \ H_{2}(g) \ \xrightarrow[]{Ni(s)} \ Vegetable \ ghee(s)\)
4.	All of the above

Shape selective catalysis is:

Emulsions can be used as:

1. For cleansing action of soaps.

2. For digestion of fats in the intestines.

3. As antiseptics and disinfectants.

4. All of the above.

The correct statements about micelles are:

Incorrect statement regarding colloids is:

Colloids can be classified on the basis of:

The correct match amongst the following is -

(D.P = dispersed phase, and D.M = dispersion medium)

Options:

An emulsion is stabilised by: 

1. Emulsifiers.

2. Peptizing agent.

3. Biochemical catalysts.

4. None of the above.

Consider the following graph between $\frac{\mathrm{x}}{\mathrm{m}}$ (extent of adsorption) and pressure:

What is the correct relation between T₁, T₂, and T₃? 

1. T₃ <  T₂  > T₁
2. T₁ < T₂  < T₃
3. T₁ > T₂  > T₃
4. None of the above

$\mathrm{}$

The graph between $\log \frac{\mathrm{x}}{\mathrm{m}}$ vs log p is given below:

What is the value of the slope?

1. ${\left(\frac{1}{2}\right)}^{\mathrm{n}}$

2. n

3. $\frac{1}{\mathrm{n}}$

4.$\frac{1}{{\left(\mathrm{n}\right)}^2}$