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Chemistry 1488 MCQs [All-Courses]

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Hydration is a process in which_________________?

A Molecules are surrounded by solvent molecules

B Ions are surrounded by solvent molecules

C Both ions and molecules are surrounded by solvent molecules

D Both ions and molecules are surrounded by water molecules

Review Detailed Answer

Correct Answer: Both ions and molecules are surrounded by water molecules

When an atom absorbs energy the lines in the spectrum will appear which are_________________?

A Brighter

B Darker

C Colourless

D Hard to locate

Review Detailed Answer

Correct Answer: Darker

Beckmanns apparatus is used to measure_______________?

A boiling point elevation

B depression in freezing point

C lowering of vapour pressure

D lowering of osmotic pressure

Review Detailed Answer

Correct Answer: depression in freezing point

The maximum number of electron in a sub shell with ? = 3fs______________?

A 6

B 10

C 14

D 18

Review Detailed Answer

Correct Answer: 14

The determination of correct molecular weight from Raoults law is applicable to_________________?

A a volatile solute in dilute solution

B a non-electrolyte & non volatile solute in concentrated solution

C a non-electrolyte & non volatile solute in concentrated solute

D non volatile solute in a dilute solution

Review Detailed Answer

Correct Answer: non volatile solute in a dilute solution

The magnetic quantum number (QN) has its values determined directly by the value of_______________?

A Principal (QN)

B Azimuthal (QN)

C Spin (QN)

D Both A & B

Review Detailed Answer

Correct Answer: Azimuthal (QN)

Concentration of solute molecule when they are in equilibrium with solid substance at particular temperature is called________________?

A saturated solution

B solubility

C unsaturated solution

D super saturated solution

Review Detailed Answer

Correct Answer: solubility

All of the following were theorized by Bohr in his description of the atom except__________________?

A Angular momentum of electrons in multiples of h/2?

B Electrons revolve in discrete circular orbits

C Energy of each electron is directly proportional to n2

D Electrons radiate energy continuously in a given orbit.

Review Detailed Answer

Correct Answer: Electrons radiate energy continuously in a given orbit.

The solution which distils over with change in composition________________?

A ideal solution

B zeotropic solution

C azeotropic solution

D non-ideal solution

Review Detailed Answer

Correct Answer: zeotropic solution

The amount of heat absorbed when one mole of a liquid is changed into gas at its boiling point is_____________________?

A Molar heat of sublimation

B Molar heat of fusion

C Molar heat of vapourization

D Latent heat of that liquid

Review Detailed Answer

Correct Answer: Molar heat of vapourization

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Chemistry 1488 MCQs [All-Courses]

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All Topics 1488

Hydration is a process in which_________________?

When an atom absorbs energy the lines in the spectrum will appear which are_________________?

Beckmanns apparatus is used to measure_______________?

The maximum number of electron in a sub shell with ? = 3fs______________?

The determination of correct molecular weight from Raoults law is applicable to_________________?

The magnetic quantum number (QN) has its values determined directly by the value of_______________?

Concentration of solute molecule when they are in equilibrium with solid substance at particular temperature is called________________?

All of the following were theorized by Bohr in his description of the atom except__________________?

The solution which distils over with change in composition________________?

The amount of heat absorbed when one mole of a liquid is changed into gas at its boiling point is_____________________?