A. Adsorption chromatography
B. Ascending chromatography
C. Radial chromatography
D. Descending chromatography
✅ The correct answer is option B.
Chemistry MCQs
Which of the following unit of concentration is independent of temperature?
A. Molarity
B. Molality
C. Mole fraction
D. All
✅ The correct answer is option B.
Different components of a mixture have different Rf values due to
A. Polar solvent used
B. Combination of solvents used
C. Their different distribution coefficients in the solvent
D. Distributive law
✅ The correct answer is option C.
Which of the following is an example of liquid in gas solution?
A. Opals
B. Dust particles in smoke
C. Paints
D. Fog
✅ The correct answer is option D.
Branch of chemistry that deals with the complete qualitative and quantitative analysis of a substance is
A. Stoichio chemistry
B. Physical chemistry
C. Analytical chemistry
D. Quantum chemistry
✅ The correct answer is option C.
The molal boiling point constant is the ration of the elevation of the boiling point to
A. Molarity
B. Molality
C. More fraction of solvent
D. The mole fraction of solute
✅ The correct answer is option B.
Identification of the components of a sample is
A. Quantitative analysis
B. Qualitative analysis
C. Stoichiometry
D. Physical chemistry
✅ The correct answer is option B.
Which of the following are the conditions of colligative properties
A. Non-electrolyte solute
B. Non-volatile solute
C. Dilute solution
D. All of the above
✅ The correct answer is option D.
Which of the following is not a heavy industry?
A. Iron
B. Fertilizer
C. Paper
D. None
✅ The correct answer is option D.
Carbonates of lithium are not stable like that of sodium due to
A. Low electronegativity
B. Low electropositivity
C. Low charge density
D. Not known yet
✅ The correct answer is option B.