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_______

partition

volatility

adsorption

solubility

2 / 10

A mixture of acetone and benzene can be separated by the following method_______

fractional distillation

distillation under reduced pressure

sublimation

simple distillation

3 / 10

Which of the following is most commonly used for the visualization of amino acids in chromatography?

X-rays

Ultraviolet light

Spraying agent

Sunlight

4 / 10

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

crystallization

extraction

distillation

sublimation

5 / 10

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

fractional crystallization

fractional distillation

re-crystallization

simple distillation

6 / 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

7 / 10

Adsorption chromatography is a chromatographic technique based on the principle of_______

differential solubility

all of these

differential extraction

differential adsorption

8 / 10

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

(B) Thin layer chromatography

(D) Both (A) and (B)

(A) Column chromatography

9 / 10

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

Fractional crystallization

Solvent extraction

Distillation

Crystallization

10 / 10

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

Chromatography

Steam distillation

Filtration

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