Free Test Concentration terms – NEET

Q1: Which of the following is a colligative property?

A. Molarity B. Boiling point elevation C. Solubility D. Viscosity

Q2: Which unit is used for expressing molality?

A. mol/L B. mol/kg C. g/L D. mol/m³

Q3: Molarity depends on:

A. Volume of solution B. Mass of solvent C. Temperature D. Both A and C

Q4: Which unit is temperature-independent?

A. Molarity B. Normality C. Molality D. Formality

Q5: Normality is used to express:

A. Volume of solution B. Mass of solute C. Equivalents per litre D. Moles per litre

Q6: What is the SI unit of molarity?

A. mol/kg B. mol/L C. mol/mL D. mol/cm³

Q7: Which is a dimensionless quantity?

A. Mole fraction B. Molality C. Molarity D. Normality

Q8: Which expression represents molality?

A. mol/kg of solution B. mol/L of solution C. mol/kg of solvent D. mol/g of solvent

Q9: 1 molal solution means:

A. 1 mol/L solution B. 1 mol/kg solvent C. 1 mol/kg solution D. 1 mol in 1000 mL solvent

Q10: Which term varies with temperature?

A. Molality B. Mole fraction C. Molarity D. Weight percent

Q11: How many grams of NaCl are required to prepare 1 M solution (molar mass 58.5 g/mol) in 1L?

A. 29.25 g B. 58.5 g C. 117 g D. 5.85 g

Q12: Which term is used when volume of solute is negligible?

A. Molality B. Molarity C. Mole fraction D. Normality

Q13: For very dilute aqueous solutions, molality is approximately equal to:

A. Molarity B. Normality C. Mole fraction D. Formality

Q14: In which solution does molarity equal normality?

A. NaCl B. H2SO4 C. NaOH D. CH3COOH

Q15: Which of the following is a measure of strength?

A. Molarity B. Normality C. Molality D. Both A and B

Q16: The mole fraction of solvent in a dilute solution is nearly:

A. 0 B. 1 C. 0.5 D. >1

Q17: In a 2 molal solution, solute amount is:

A. 2 moles per kg of solution B. 2 moles per kg of solvent C. 2 g per 1000 mL solution D. 2 g per 100 mL solvent

Q18: Molarity changes with:

A. Mass B. Volume C. Temperature D. Both B and C

Q19: If 1 mole of solute is present in 1000 g of water, solution is:

A. 1 M B. 1 molal C. 1 normal D. None

Q20: Which term is unaffected by pressure?