Kvs Boys 10 C Quiz (Science)

6 Questions | Total Attempts: 17

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Kvs Boys 10 C Quiz (Science)

KVS Class 10 c boys quiz


Questions and Answers
  • 1. 
    Which equation librete white flame?
    • A. 

      Iron and copper

    • B. 

      Burning of carbon

    • C. 

      Iron and zinc

    • D. 

      Burning of magnesium

  • 2. 
    Why the magnesium ribbon was cleaned before burning?
    • A. 

      To remove magnesium

    • B. 

      To look shiny

    • C. 

      To remove magnesium oxide

    • D. 

      To attract air

  • 3. 
    Which gas give brown fumes?
    • A. 

      No2

    • B. 

      Co2

    • C. 

      O2

    • D. 

      H2

  • 4. 
    Which change dont occur during chemical equation?
    • A. 

      Evolution of gas

    • B. 

      Change of temperature

    • C. 

      Change in smell

    • D. 

      Change in state

  • 5. 
    Walls looks shinny after white washing due to formation of (both chemical and statement names)
  • 6. 
    Which is more reactive in lead and copper?
    • A. 

      Lead

    • B. 

      Copper

    • C. 

      Both are equal

    • D. 

      Iron

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