- 1(current)
Q. No.Enzymes are:
1. Biochemical catalysts.
2. Protein molecules of high molecular masses.
3. Both (1) and (2)
4. None of the above.
Subtopic: Â Catalyst |
 92%
From NCERT
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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 |
Subtopic: Â Catalyst |
 84%
From NCERT
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Shape selective catalysis is:
| 1. | Catalytic reaction depends upon the pore structure of the catalyst. |
| 2. | Catalytic reactions depend on the size of the reactant and the product molecules. |
| 3. | Both '1' and '2' |
| 4. | None of the above. |
Subtopic: Â Catalyst |
 90%
From NCERT
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The correct statement about heterogeneous catalysis is :
| 1. | The catalyst and reactants are present in different phases. |
| 2. | The catalyst and reactants are present in the same phase. |
| 3. | The products and reactants are present in different phases. |
| 4. | None of the above. |
Subtopic: Â Catalyst |
 85%
From NCERT
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- 1(current)
Q. No.
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