NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 1085 - 1090 of 3111

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Question 1085

Question MCQ▾

In paper chromatography, stationary phase is solid and mobile phase is?

Choices

Choice (4)Response

a.

Semisolid

b.

Gas

c.

Liquid

d.

Solid

Edit

Question 1086

Question MCQ▾

If is the reaction is that part of which dissociates, then the number of molecules at equilibrium will be?

Choices

Choice (4)Response

a.

b.

1

c.

3

d.

Edit

Question 1087

Question MCQ▾

The function of boiling the sodium extract with concentrated before testing for halogen is?

Choices

Choice (4)Response

a.

To destroy ions

b.

To make the solution acidic

c.

To convert to

d.

To make the solution clear

Edit

Question 1088

Question MCQ▾

Two volatile and miscible liquids can be separated by fractional distillation into pure components under the conditions when?

Choices

Choice (4)Response

a.

The boiling points of the liquids are close to each other

b.

They have low boiling points

c.

They do not form azeotropic mixture

d.

The difference in their boiling points is large

Edit

Question 1089

Question MCQ▾

Duma՚s method involves the determination of nitrogen content in the organic compound in the form of?

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 1090

Question MCQ▾

When excess of electrolyte is added to a colloid it?

Choices

Choice (4)Response

a.

Coagulates

b.

Precipitate

c.

Does not charge

d.

Gets diluted

Edit