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Tec · Interactive Assessment
Chemistry Grade X · Balochistan Board
15 Minutes 15 Questions Pass Mark 40%

Chapter 15: Environmental Chemistry II - The Water

Occurrence and importance of water, its composition and properties, water hardness and how to remove it, water pollutants, and water-borne diseases — 60-question bank, 15 questions per attempt.

Before you begin

Enter your details below. Each attempt randomly draws 15 questions (and shuffles their options) from a bank of 60, so no two attempts look the same.

15
Questions
15:00
Time Limit
40%
Passing Score
60
Question Bank
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Topics covered in this quiz:
  • Occurrence & importance of water
  • Dependence on water & water quality
  • Composition & properties of water
  • Soft, temporary & permanent hard water
  • Eliminating water hardness
  • Identifying water pollutants
  • Industrial & household wastes as pollutants
  • Effects of pollutants on life
  • Water-borne diseases