EXERCISE :
  CHAPTER 5
Water and Solution
QUESTION 1


The process of evaporation is part of the



     A. Water cycle           B. Nitrogen cycle




    C. Carbon cycle            D. Oxygen cycle
QUESTION 2

A boy was stung by a bee. Which of the
 following substances can be applied to
 neutralize the sting ?


          A. Water         B. Toothpaste




         C. Vinegar        D. Dilute acid
QUESTION 3


Which of the following substances is used in
 swimming pools to kill microorganisms ?


        A. Alum                  B. Chlorine


                             D. Activated carbon
     C. Blue pigment
                                   powder
QUESTION 4


The coagulation process in the water
 treatment system comes after


       A. Sedimentation        B. Filtration



         C. Aeration         D. Chlorination
QUESTION 5


Which of the following causes of water
 pollution results in rapid growth of algae
 leading to the reduction of oxygen level in the
 water ?


     A. Industrial waste     B. Agriculture waste



     C. Domestic waste        D. Deforestation
THANK YOU FOR TRYING

Presentation5

  • 1.
    EXERCISE : CHAPTER 5 Water and Solution
  • 2.
    QUESTION 1 The processof evaporation is part of the A. Water cycle B. Nitrogen cycle C. Carbon cycle D. Oxygen cycle
  • 3.
    QUESTION 2 A boywas stung by a bee. Which of the following substances can be applied to neutralize the sting ? A. Water B. Toothpaste C. Vinegar D. Dilute acid
  • 4.
    QUESTION 3 Which ofthe following substances is used in swimming pools to kill microorganisms ? A. Alum B. Chlorine D. Activated carbon C. Blue pigment powder
  • 5.
    QUESTION 4 The coagulationprocess in the water treatment system comes after A. Sedimentation B. Filtration C. Aeration D. Chlorination
  • 6.
    QUESTION 5 Which ofthe following causes of water pollution results in rapid growth of algae leading to the reduction of oxygen level in the water ? A. Industrial waste B. Agriculture waste C. Domestic waste D. Deforestation
  • 7.