Concentration of solution — task. Chemistry CBSE Live product, Class 9 (2026-27).

Choose the suitable answer for the following:

1. Which of the following statements is correct?

Concentration is independent of quantity
Concentration depends only on solute
Concentration depends on both solute and solvent
Concentration depends only on solvent

2. Which expression correctly represents mass by mass percentage (w/w)?

Mass of solute / Mass of solution × 100
Volume of solution / Mass of solute × 100
Mass of solvent / Mass of solute × 100
Volume of solute / Volume of solvent × 100

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