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Acids Bases and Salts Test - 5

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Acids Bases and Salts Test - 5
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Weekly Quiz Competition
  • Question 1
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    Baking soda turns litmus paper ___________, while it turns China rose indicator ___________.
  • Question 2
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    Which compound of potassium is used as an ingredient for making soap? 
  • Question 3
    1 / -0
    If a drop of limewater is put on a strip of litmus paper, what type of change will be observed?
  • Question 4
    1 / -0
    A substance 'X', upon reaction with hydrochloric acid, produces sodium chloride and water. What is this substance 'X'? 
  • Question 5
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    Temporary hardness of water is removed by the addition of
  • Question 6
    1 / -0
    What kind of colour change occurs in phenolphthalein solution upon addition of potassium hydroxide?
  • Question 7
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    Which of the following relations is incorrect?
  • Question 8
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    Which of the following contains acetic acid? 
  • Question 9
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    Orange, lemon juice, and amla are sources of vitamin C. Which acid is present in them?
  • Question 10
    1 / -0
    A window-cleaning material contains the hydroxide of 
  • Question 11
    1 / -0
    Tartaric acid : Grapes : : _________ : Oranges 
  • Question 12
    1 / -0
    A first aid handout suggests that wasp sting should be treated with vinegar. What is the chemical nature of wasp sting? 
  • Question 13
    1 / -0
    An element combines with oxygen to form an oxide. This oxide dissolves in water. This aqueous solution changes blue litmus to red. What is the nature of the solution?
  • Question 14
    1 / -0
    Which of the following is not a natural indicator? 
  • Question 15
    1 / -0
    Four test tubes marked as W, X, Y and Z contain vinegar, sodium hydroxide, salt solution and limewater, respectively. Which of these test tubes contains acid?
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