Chemistry Chapter 3 : Some Analytical Techniques

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Class 11 Chemistry Chapter 3 – Basic Analytical Techniques

HSC MAHARASHTRA BOARD CLASS XI

Select the correct option

1 / 10

Adsorption chromatography is a chromatographic technique based on the principle of_______

differential solubility

differential adsorption

all of these

differential extraction

2 / 10

If a crude solid is made of mainly one substance and has some impurities then it is purified by_______

distillation

extraction

crystallization

sublimation

3 / 10

The method used to separate a given organic compound present in aqueous solution by shaking with a suitable solvent in which the compound is more soluble than water is called _________

simple distillation

crystallization

fractional distillation

solvent extraction

4 / 10

Impure common salt can be purified by_______

sublimation

extraction

crystallization

distillation

5 / 10

The principle of differential adsorption is applicable for which of the following chromatographic technique?

(D) Both (A) and (B)

(A) Column chromatography

(B) Thin layer chromatography

6 / 10

Separation of binary mixture of acetone and methyl alcohol is done by _______

fractional distillation

simple distillation

fractional crystallization

re-crystallization

7 / 10

Which of the following method is used to separate different fractions of crude oil?

TLC

Fractional distillation

Solvent extraction

Simple distillation

8 / 10

In distillation of liquid, water condenser is used_______

to boil the liquid

to collect the liquid

to condense hot vapours of the liquid

to adsorb the liquid

9 / 10

Which of the following techniques is used for separation of glycerol from soap in soap industry?

Fractional distillation

Filtration

Distillation under reduced pressure

Crystallization

10 / 10

Which of the following methods can be used to separate two compounds with different solubilities in the same solvent?

Crystallization

Distillation

Fractional crystallization

Solvent extraction

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Note:→ The following Quiz helps students to learn and practice Objectives.→ Each Quiz is of 10 questions→ Quiz has timer→ Questions will appear randomly→ To practice all objectives students are supposed to take Quiz again and again.

The above quiz consists of these topics: ⇒ Correct Option

Note:
→ The following Quiz helps students to learn and practice Objectives.
→ Each Quiz is of 10 questions
→ Quiz has timer
→ Questions will appear randomly
→ To practice all objectives students are supposed to take Quiz again and again.

The above quiz consists of these topics:
⇒ Correct Option