NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 949 - 955 of 1258

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Question number: 949

» Surface Chemistry » Colloidal State » Preparation and Properties of Colloids

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MCQ▾

Question

Colour of colloidal solution depends on?

Choices

Choice (4) Response

a.

Wavelength of light

b.

Size of particles

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

Question number: 950

» Equilibrium » Ionic Equilibrium » Acids and Bases (Arrhenius, Brnsted - Lowry and Lewis)

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MCQ▾

Question

The strength of acid depends upon the?

Choices

Choice (4) Response

a.

Concentration of hydrogen ions furnished by ionization

b.

Density

c.

Oxygen content

d.

Number of hydrogen atoms present in molecule

Question number: 951

» Classification of Elements & Periodicity » Ionization Enthalpy

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MCQ▾

Question

The ionization enthalpy of two isotope of an element will be?

Choices

Choice (4) Response

a.

Same

b.

Dependent on the number of neutrons present in the nucleus

c.

Different

d.

Dependent on atomic masses

Question number: 952

» Purification & Characteristics of Organic Compounds » Qualitative Analysis

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MCQ▾

Question

of an organic compound on heating with conc. and silver nitrate in furnace gave 0.42g of Find the percentage of chlorine in the compound?

Choices

Choice (4) Response

a.

20.18%

b.

32.62%

c.

88.80%

d.

48.33%

Question number: 953

» Classification of Elements & Periodicity » S, P, D and F Block Elements,

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MCQ▾

Question

The elements in which electrons are progressively filled in 4f – orbitals are called?

Choices

Choice (4) Response

a.

Noble metals

b.

Chalcogens

c.

Actinoids

d.

Lanthanides

Question number: 954

» Purification & Characteristics of Organic Compounds » Qualitative Analysis

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Question

The catalyst used is Kjeldahl’s method for the estimation of nitrogen is?

Choices

Choice (4) Response

a.

Magnesium

b.

Copper

c.

Mercury

d.

Sodium

Question number: 955

» Equilibrium » Solid -Liquid, Liquid - Gas and Solid - Gas Equilibria

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MCQ▾

Question

Which type of reversible chemical reaction is the following

Choices

Choice (4) Response

a.

Heterogeneous reaction

b.

Homogeneous reaction

c.

Question does not provide sufficient data or is vague

d.

None of the above