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

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 _________

fractional distillation

solvent extraction

simple distillation

crystallization

2 / 10

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

extraction

sublimation

distillation

crystallization

3 / 10

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

Solvent extraction

Fractional crystallization

Crystallization

Distillation

4 / 10

Which of the following is a type of partition chromatography?

(A) Column chromatography

(B) Thin layer chromatography

Both (B) and ©

5 / 10

Which of the following method will give clean separation of sample of chloroform (organic liquid) and water in short time span?

Distillation under reduced pressure

Solvent extraction

Simple distillation

TLC

6 / 10

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

fractional crystallization

fractional distillation

re-crystallization

simple distillation

7 / 10

The stationary phase and mobile phase in TLC are_______ respectively.

solid and liquid

liquid and solid

liquid and liquid

solid and gas

8 / 10

Colourless components on chromatogram
CANNOT be observed by which of the following?

Using the spraying reagent

Using infrared light

Using iodine chamber

Using UV light

9 / 10

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

Filtration

Crystallization

Distillation under reduced pressure

Fractional distillation

10 / 10

Which technique is widely used in industry to separate components of mixture and also to purify them?

Filtration

Chromatography

Solvent extraction

Steam distillation

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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