chemistry

2. “Paramagnetism” is the property of A. Paired electrons B. Completely filled electronics subshells C. Unpaired electrons D. Completely vacant electronic subshells

Paired electrons
Completely filled electronics subshells
Unpaired electrons
Completely vacant electronic subshells

Detailed Solution“Paramagnetism” is the property of A. Paired electrons B. Completely filled electronics subshells C. Unpaired electrons D. Completely vacant electronic subshells

7. Which of the following partially miscible liquid pairs has both lower and upper critical solution temperature? A. Water and Phenol B. Aniline and n-hexane C. Glycerine and m-toluene D. Water and diethyl aniline

Water and Phenol
Aniline and n-hexane
Glycerine and m-toluene
Water and diethyl aniline

Detailed SolutionWhich of the following partially miscible liquid pairs has both lower and upper critical solution temperature? A. Water and Phenol B. Aniline and n-hexane C. Glycerine and m-toluene D. Water and diethyl aniline

9. A solution is A. A homogeneous mixture of two or more substances B. A solid dissolved in a liquid C. A solid dissolved i water D. A mixture of two liquids

A homogeneous mixture of two or more substances
A solid dissolved in a liquid
A solid dissolved i water
A mixture of two liquids

Detailed SolutionA solution is A. A homogeneous mixture of two or more substances B. A solid dissolved in a liquid C. A solid dissolved i water D. A mixture of two liquids

10. Which of the following methods is used in determining the number average molar mass of a macromolecule? A. Viscosity B. Osmotic pressure C. Sedimentation equilibrium D. Light scattering

Viscosity
Osmotic pressure
Sedimentation equilibrium
Light scattering

Detailed SolutionWhich of the following methods is used in determining the number average molar mass of a macromolecule? A. Viscosity B. Osmotic pressure C. Sedimentation equilibrium D. Light scattering

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