NEET (National Eligibility cum Medical Entrance Test) Chemistry: Questions 456 - 460 of 1145

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Question number: 456

» Atomic Structure » De-Broglie's Relationship

MCQ▾

Question

A tennis ball have mass Equation is moving with a speed of 62m/s. calculate the wavelength associated with the ball.

Choices

Choice (4) Response

a.

3.84 × 10 - 36m

b.

Equation

c.

5.6 × 10 - 34m

d.

Equation

Question number: 457

» Hydrogen » Structure, Preparation, Reactions and Uses of Hydrogen Peroxide

MCQ▾

Question

Which of the following condition is suitable for the reduction of potassium ferri cyanide with hydrogen peroxide?

Choices

Choice (4) Response

a.

neutral medium

b.

alkaline medium

c.

non-polar medium

d.

acidic medium

Question number: 458

» Hydrogen » Physical and Chemical Properties of Water

MCQ▾

Question

The exhausted permutit is generally regenerated by percolating through it a solution of?

Choices

Choice (4) Response

a.

Magnesium chloride

b.

Sodium chloride

c.

Calcium chloride

d.

Barium chloride

Question number: 459

» Basic Concepts in Chemistry » Concept of Atom, Molecule, Element and Compound

MCQ▾

Question

Two elements X and Y have atomic weights of 14 and 16. They form a series of compounds A, B, C, D and E in which the same amount of element X, Y is present in the ratio 1: 2: 3: 4: 5. If the compound A has 28 parts by weight of X and 16 parts by weight of Y, then the compound of C will have 28 parts weight of X and

Choices

Choice (4) Response

a.

80 parts by weight of Y

b.

32 parts by weight of Y

c.

48 parts by weight of Y

d.

64 parts by weight of Y

Question number: 460

» Hydrogen » Isotopes

MCQ▾

Question

If an isotope of hydrogen has two neutrons in its atom. Its atomic mass will be?

Choices

Choice (4) Response

a.

4

b.

2

c.

3

d.

1

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