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

Paper chromatography is based on the principle o f_______

adsorption

solubility

volatility

partition

2 / 10

The stationary phase and mobile phase in partition chromatography are_______respectively

liquid and solid

liquid and liquid

solid and liquid

solid and gas

3 / 10

In distillation of liquid, water condenser is used_______

to boil the liquid

to adsorb the liquid

to condense hot vapours of the liquid

to collect the liquid

4 / 10

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

Simple distillation

Solvent extraction

TLC

Distillation under reduced pressure

5 / 10

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

Solvent extraction

Chromatography

Steam distillation

Filtration

6 / 10

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

Solvent extraction

Crystallization

Distillation

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

(D) Both (A) and (B)

(B) Thin layer chromatography

(A) Column chromatography

9 / 10

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

fractional distillation

simple distillation

re-crystallization

fractional crystallization

10 / 10

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

Using UV light

Using iodine chamber

Using infrared light

Using the spraying reagent

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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