NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 1077 - 1084 of 1258

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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.

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