Quiz For Grade - 7 On Chemistry- Chapter 5 - Acids, Bases & Salts

10 Questions | Total Attempts: 775

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Quiz For Grade - 7 On Chemistry- Chapter 5 - Acids, Bases & Salts

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Questions and Answers
  • 1. 
    Acidic substances taste __________.
    • A. 

      Sour

    • B. 

      Salty

    • C. 

      Sweet

    • D. 

      Bitter

  • 2. 
    Basic substances taste __________.
    • A. 

      Sour

    • B. 

      Salty

    • C. 

      Sweet

    • D. 

      Bitter

  • 3. 
    Neutralization gives out ____ , _____ & ____ .
    • A. 

      Heat

    • B. 

      Water

    • C. 

      Salt

    • D. 

      All of the above

  • 4. 
    Basic substances are ___________ to touch. 
    • A. 

      Hot

    • B. 

      Cold

    • C. 

      Sticky

    • D. 

      Slippery

  • 5. 
     Fruits like oranges, lemons contains __________ acid.
    • A. 

      Nitric acid

    • B. 

      Acetic acid

    • C. 

      Malic acid

    • D. 

      Citric acid

  • 6. 
    Distilled water is a ___________ substance.
    • A. 

      Acidic

    • B. 

      Basic

    • C. 

      Neutral

    • D. 

      Indicatory

  • 7. 
    _____________ is known as the king of chemicals.
    • A. 

      Hydrochloric acid

    • B. 

      Sulphuric acid

    • C. 

      Nitric acid

    • D. 

      Aqua regia

  • 8. 
    Turmeric changes colour when in contact with a ______________ substance.
    • A. 

      Neutral

    • B. 

      Acidic

    • C. 

      Basic

    • D. 

      All of the above

  • 9. 
    Sodium bicarbonate is a _________ substance. 
    • A. 

      Neutral

    • B. 

      Basic

    • C. 

      Acidic

    • D. 

      Flammable

  • 10. 
    _____________ is the acid that is found in the sting of the insects.
    • A. 

      Formic acid

    • B. 

      Malic acid

    • C. 

      Acetic acid

    • D. 

      Oxalic acid

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