Learn Class 12 Science - Solutions

Solutions Sample Questions for Class 12

Question 1

Which of the following solutions is an isotonic solution?
A. The solutions having same osmotic pressure
B. The solution whose osmotic pressure is more than other solutions
C. The solution whose osmotic pressure is less than other solutions

Question 2

What is the molarity of a solution that contains 58 grams of NaCl in 500 mL of solution?
A. 2.0 M NaCl
B. 1.5 M NaCl
C. 1.0 M NaCl
D. 0.5 M NaCl

Question 3

In which mode of expression does the concentration of a solution remain independent of temperature?
A. Molality
B. Molarity
C. Formality
D. Normality

Question 4

If W kg of solute is dissolved in V m^3 of solution, the molarity (M) can be expressed how?
A. (W/V) = Molarity xx Mol. wt. of solute
B. Wxx V = Molarity xx Mol. wt. of solute
C. (W/V) = (Molarity) /(Mol. wt. of solute)
D. (W+V) = Molarity xx Mol. wt. of solute