- 1(current)
Q. No.| Column I (Compounds) |
Column II (Uses) |
||
| (A) | Carbon tetrachloride | (i) | Paint remover |
| (B) | Methylene chloride | (ii) | Refrigerators and air conditioners |
| (C) | DDT | (iii) | Fire-extinguisher |
| (D) | Freons | (iv) | Non-biodegradable insecticide |
1. (A) → (ii), (B) → (iii), (C) → (i), (D) → (iv)
2. (A) → (iv), (B) → (iii), (C) → (ii), (D) → (i)
3. (A) → (i), (B) → (ii), (C) → (iii), (D) → (iv)
4. (A) → (iii), (B) → (i), (C) → (iv), (D) → (ii)
Chloroform is slowly oxidized by air in the presence of light and air to form:
1. Phosgene
2. Formyl chloride
3. Formaldehyde
4. Trichloroethanol
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Match the compounds given in Column-I with suitable items given in Column-II:
|
Column-I (Compound) |
Column-II (Uses) |
||
|
A. |
Iodoform |
1. |
Fire extinguisher |
|
B. |
Carbon tetrachloride |
2. |
Insecticide |
|
C. |
CFC |
3. |
Antiseptic |
|
D. |
DDT |
4. |
Refrigerants |
Code
1. A → 2 B → 4 C →1 D →3
2. A → 3 B → 2 C →4 D →1
3. A → 1 B → 2 C →3 D →4
4. A → 3 B → 1 C →4 D →2
Match the compounds in Column I with their respective effects in Column II:
|
Column l (Compounds) |
Column lI (Effect) |
|
A. Chloramphenicol |
I. Malaria |
|
B. Thyroxine |
II. Anaesthetic |
|
C. Chloroquine |
III. Typhoid fever |
|
D. Chloroform |
IV. Goiter |
|
V. Blood substituent |
Codes:
| Options: | A | B | C | D |
| 1. | II | III | IV | I |
| 2. | III | IV | I | II |
| 3. | V | IV | III | II |
| 4. | IV | V | III | II |
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- 1(current)
Q. No.
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