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20-Which of the following(s) is/are correct? I-In a precipitation technique, molecules are according to difference in their solubility. II- In a distillation technique, molecules are se according to difference in their boiling point III- In liquid-liquid extraction technique,molecu separated according to their partitioning betwe immiscible liquids, A) Only II B) Only III C) Iand III D) II and III E) I,II and III

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20-Which of the following(s) is/are correct? I-In a precipitation technique, molecules are according to difference in their solubility. II- In a distillation technique, molecules are se according to difference in their boiling point III- In liquid-liquid extraction technique,molecu separated according to their partitioning betwe immiscible liquids, A) Only II B) Only III C) Iand III D) II and III E) I,II and III

20-Which of the following(s) is/are correct? I-In a precipitation technique, molecules are according to difference in their solubility. II- In a distillation technique, molecules are se according to difference in their boiling point III- In liquid-liquid extraction technique,molecu separated according to their partitioning betwe immiscible liquids, A) Only II B) Only III C) Iand III D) II and III E) I,II and III

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E) I, II and III<br /><br />All three statements are correct. In a precipitation technique, molecules are separated according to their difference in solubility. In a distillation technique, molecules are separated according to their difference in boiling point. In a liquid-liquid extraction technique, molecules are separated according to their partitioning between immiscible liquids.
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