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

(A) Column chromatography

(B) Thin layer chromatography

(D) Both (A) and (B)

2 / 10

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

Using the spraying reagent

Using UV light

Using iodine chamber

Using infrared light

3 / 10

Paper chromatography is based on the principle o f_______

partition

volatility

solubility

adsorption

4 / 10

Impure common salt can be purified by_______

crystallization

extraction

sublimation

distillation

5 / 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 _________

crystallization

fractional distillation

simple distillation

solvent extraction

6 / 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

7 / 10

Which of the following is a type of partition chromatography?

(A) Column chromatography

(B) Thin layer chromatography

Both (B) and ©

8 / 10

The stationary phase and mobile phase in TLC are_______ respectively.

liquid and liquid

solid and gas

liquid and solid

solid and liquid

9 / 10

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

Simple distillation

Distillation under reduced pressure

TLC

Solvent extraction

10 / 10

In paper chromatography, the mobile phase rises up the chromatography paper due to ________

gravitational force

capillary action

evaporation of volatile solvent

differential adsorption

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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