- 1(current)
Q. No.| List-I (Mixtures/Sample) |
List-II (Technique used for purification) |
||
| A | Glycerol from spent lye | (I) | Steam distillation |
| B | Chloroform + Aniline | (II) | Fractional distillation |
| C | Fractions of crude oil | (III) | Distillation under reduced pressure |
| D | Aniline+water | (IV) | Distillation |
Choose the correct answer from the options given below
| Options: | (A) | (B) | (C) | (D) |
| 1. | III | IV | II | I |
| 2. | IV | II | I | III |
| 3. | I | II | III | IV |
| 4. | I | III | II | IV |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. |  |
2. |  |
| 3. |  |
4. |  |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch list-I with list-II:
| List-I | List-II | ||
| (a) | Separation of aniline-water mixture | (i) | Fractional distillation |
| (b) | Separation of aniline-chloroform mixture | (ii) | Distillation under reduced pressure |
| (c) | Separation of glycerol from spent-lye | (iii) | Distillation |
| (d) | Separation of different fractions of crude oil | (iv) | Steam distillation |
Choose the correct answer from the options given below:
| (a) | (b) | (c) | (d) | |
| 1. | (i) | (iii) | (ii) | (iv) |
| 2. | (iv) | (i) | (iii) | (ii) |
| 3. | (iv) | (ii) | (iii) | (i) |
| 4. | (iv) | (iii) | (ii) | (i) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPaper chromatography is an example of:
1. Partition chromatography
2. Thin layer chromatography
3. Column chromatography
4. Adsorption chromatography
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA liquid compound (x) can be purified by steam distillation only if it is:
1. Steam volatile, immiscible with water
2. Not steam volatile, miscible with water
3. Steam volatile, miscible with water
4. Not steam volatile, immiscible with water
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn Duma's method for estimation of nitrogen, 0.25 g of an organic compound gave 40 mL of nitrogen collected at 300 K temperature and 725 mm pressure. If the aqueous tension at 300 K is 25 mm, the percentage of nitrogen in the compound is:
| 1. | 17.36 | 2. | 18.20 |
| 3. | 16.76 | 4. | 15.76 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe best method for the separation of naphthalene and benzoic acid from their mixture is:
1. Sublimation
2. Chromatography
3. Crystallisation
4. Distillation
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn the steam distillation of toluene, the pressure of toluene in the vapour is:
| 1. | Equal to the pressure of the barometer |
| 2. | Less than the pressure of the barometer |
| 3. | Equal to vapour pressure of toluene in simple distillation |
| 4. | More than the vapour pressure of toluene in simple distillation |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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