NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 243 - 250 of 1258

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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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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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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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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

Question number: 247

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

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Question

Fire extinguishers contain a bottle of sulphuric acid and?

Choices

Choice (4) Response

a.

b.

c.

d.

Any carbonate

Question number: 248

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

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MCQ▾

Question

Ammonia will be obtained in?

Choices

Choice (4) Response

a.

b.

c.

Both a. and b. are correct

d.

None of the above

Question number: 249

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

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Question

Orthoboric acid behaves as weak monobasic acid giving and?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 250

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

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Question

Graphite is good conductor of electricity because it contains?

Choices

Choice (4) Response

a.

Strong C = C bonds

b.

Bonded electrons

c.

Strong C-C bonds

d.

Mobile electrons