NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 1077 - 1084 of 1259

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Question number: 1077

» Purification & Characteristics of Organic Compounds » Qualitative Analysis

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MCQ▾

Question

In this test, what is the compound A?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1078

» Surface Chemistry » Colloidal State » Coagulation

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MCQ▾

Question

“Greater the valency, the higher is the coagulating power of ion”. This rule was introduced by?

Choices

Choice (4)Response

a.

Hardy – Schulze

b.

Faraday

c.

Graham

d.

Kossel and Lewis

Question number: 1079

» Surface Chemistry » Colloidal State » Emulsions and Their Characteristics

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MCQ▾

Question

An emulsion is a colloidal solution consisting of?

Choices

Choice (4)Response

a.

Two liquids

b.

Two solids

c.

Two gases

d.

One solid and one liquid

Question number: 1080

» Solutions » Molarity

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MCQ▾

Question

Calculate the quantity of anhydrous required to prepare 250ml of solution?

Choices

Choice (4)Response

a.

2.65 g

b.

3.38 g

c.

2.35 g

d.

3.65 g

Question number: 1081

» Surface Chemistry » Colloidal State » Electrophoresis

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MCQ▾

Question

Which property of colloidal solution is used to determine the nature of charge on the particles?

Choices

Choice (4)Response

a.

Sedimentation

b.

Electrophoresis

c.

Ultrafiltration

d.

Dialysis

Question number: 1082

» Equilibrium » Ionic Equilibrium » Hydrolysis of Salts and pH of Their Solutions

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MCQ▾

Question

The pH of 0.5 M aqueous solution of HF is, where

Choices

Choice (4)Response

a.

2

b.

4

c.

6

d.

10

Question number: 1083

» Solutions » Molarity

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MCQ▾

Question

5.3 grams of anhydrous sodium carbonate is dissolved in 100ml of solution, then calculate the molarity of the solution.

Choices

Choice (4)Response

a.

0.2 M

b.

0.1 M

c.

0.4 M

d.

0.5 M

Question number: 1084

» Equilibrium » Equilibrium Constants (Kp and Kc)

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MCQ▾

Question

of initially the concentration A and B are both equal but at equilibrium, concentration of D will be twice of that A, then what will be the equilibrium constant of the reaction?

Choices

Choice (4)Response

a.

4

b.

c.

d.

1/9

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