NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 332 - 337 of 1195

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Question number: 332

» Basic Concepts in Chemistry » Mole Concept

MCQ▾

Question

In the final answer of the expression . The number of significant figures is

Choices

Choice (4) Response

a.

1

b.

2

c.

3

d.

4

Question number: 333

» P-Block Elements Group 13 to 18 » Group 17 » Interhalogen Compounds

MCQ▾

Question

The number of lone pairs of electrons present in central atom of ClF3 is?

Choices

Choice (4) Response

a.

3

b.

1

c.

0

d.

2

Question number: 334

» Basic Concepts in Chemistry » Molar Mass

MCQ▾

Question

Choose the correct statements -

(1) Double decomposition method is based on the law of equivalent.

(2) For a reaction, → products

If amount of reacted = gm and amount of reacted = gm then

=

(3) For a reaction → products

If amount of reacted = gm and amount of reacted = gm then

=

(4) 1 equivalent of oxygen = 16 gm

Select the correct answers and mark it according to the following codes:

Choices

Choice (4) Response

a.

1,2 and 3 are correct

b.

1 and 2 are correct

c.

1 and 3 are correct

d.

2 and 4 are correct

Question number: 335

» P-Block Elements Group 13 to 18 » Group 16 » Ozone

MCQ▾

Question

The formula of which of the substance is known as tailing of mercury?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 336

» P-Block Elements Group 13 to 18 » Group 17 » Oxides and Oxoacids of Halogens

MCQ▾

Question

Which has maximum pH in aqueous solution?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 337

» Atomic Structure » Heisenberg Uncertainty Principle

MCQ▾

Question

Uncertainty in position of a minute particle of mass 25g in space is 1m. The uncertainty in its velocity (in m/s) is

Choices

Choice (4) Response

a.

2.1

b.

2.1

c.

2.1

d.

2.1

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