NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 240 - 246 of 1259

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Question number: 240

» P-Block Elements Group 13 to 18 » Group 15 » Nitrogen

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MCQ▾

Question

Blue liquid which is formed at -300C by mixing of two gases is?

Choices

Choice (4)Response

a.

N2O

b.

N2O5

c.

N2O4

d.

N2O3

Question number: 241

» P-Block Elements Group 13 to 18 » Group 13 » Boron

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MCQ▾

Question

What is X and it is used as?

Choices

Choice (4)Response

a.

Organic agent

b.

Oxidizing agent

c.

Inorganic agent

d.

Reducing agent

Question number: 242

» P-Block Elements Group 13 to 18 » Group 15 » Nitrogen

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MCQ▾

Question

Which of the following is correct?

Choices

Choice (4)Response

a.

NO is a colourless gas and acid in nature

b.

N2O is a laughing gas is angular in shape

c.

NO2 is a sweet smelling and is angular in shape

d.

NO2 on reaction with NaOH gives a mixture of two salts

Question number: 243

» P-Block Elements Group 13 to 18 » Group 13 » Aluminum

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MCQ▾

Question

Aqueous solution of borax acts as a buffer because?

Choices

Choice (4)Response

a.

It contains number of neutral water molecules

b.

It contains weak acid and its salt with strong base

c.

It contains tribasic acid and strong base

d.

All of the above

Question number: 244

» P-Block Elements Group 13 to 18 » Group 13 » Boron

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MCQ▾

Question

Which of the following compounds is formed is formed when boron trichloride is treated with water?

Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

Question number: 245

» P-Block Elements Group 13 to 18 » Group 13 » Aluminum

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MCQ▾

Question

The chief impurity present in red bauxite is?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 246

» P-Block Elements Group 13 to 18 » Group 14 » Allotropes of Carbon

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MCQ▾

Question

Which of the following can absorb carbon monoxide?

Choices

Choice (4)Response

a.

Ni (CO) 4

b.

Plants

c.

Ammonical solution of cuprous chloride

d.

Alcohol

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