NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 733 - 739 of 1259

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Question number: 733

» Basic Concepts in Chemistry » Mole Concept

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MCQ▾

Question

When 1 L of is heated with graphite, the volume of the gas collected is . Calculate the number of moles of CO produced at STP?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 734

» Atomic Structure » Rules for Filling Electrons in Orbitals

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MCQ▾

Question

electron configuration belongs to?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 735

» Biomolecules » Proteins

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MCQ▾

Question

Protein when heated with in give a yellow color this is?

Choices

Choice (4)Response

a.

Oxidizing test

b.

Molisch’s test

c.

Xanthoproteic test

d.

Hopper test

Question number: 736

» Basic Concepts in Chemistry » Empirical and Molecular Formulae

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Question

Two elements X and Y have atomic mass 75 and 16 respectively. They combine to give a compound having X. The formula of the compound is?

Choices

Choice (4)Response

a.

b.

c.

d.

XY

Question number: 737

» Hydrocarbons » Alkynes » Addition of Hydrogen, Halogens, Water and Hydrogen Halides

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Question

When acetylene is passed into methanol at 160 - 200°C in the presence of a small amount of potassium methoxide under pressure, the following is formed –

Choices

Choice (4)Response

a.

Polyvinyl alcohol

b.

Divinyl ether

c.

Dimethyl ether

d.

Methyl vinyl ether

Question number: 738

» Basic Concepts in Chemistry » Physical Quantities and Measurements

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MCQ▾

Question

The amount of heat required to raise the temperature of one gram of water from ?

Choices

Choice (4)Response

a.

Calorie

b.

Joule

c.

Kilojoule

d.

Kilocalorie

Question number: 739

» Organic Compounds with Oxygen » Preparation, Properties and Reactions and Uses

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MCQ▾

Question

The reagent used for the dehydration of an alcohol is

Choices

Choice (4)Response

a.

Phosphorus pentachloride

b.

Aluminum oxide

c.

Calcium chloride

d.

Sodium chloride

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