" /> -->

Matter Model Question Paper

8th Standard EM

    Reg.No. :
  •  
  •  
  •  
  •  
  •  
  •  

Science

Time : 01:00:00 Hrs
Total Marks : 40
    5 x 1 = 5
  1. A form of non-metal which has high ductility is

    (a)

    nitrogen

    (b)

    oxygen

    (c)

    chlorine

    (d)

    carbon

  2. Which one of metal possess low tensile strength?

    (a)

    Silver

    (b)

    Copper

    (c)

    Zinc

    (d)

    Aluminium

  3. Molecule ______ D. smallest unit of a substance

    (a)

    1 - A, 2 - C, 3 - B, 4 - D

    (b)

    1 - C, 2 - A, 3 - B, 4 - D

    (c)

    1 - D, 2 - C, 3 - B, 4 - A

    (d)

    1 - B, 2 - C, 3 - A, 4 - D

  4. Compound obtained from living sources such as plants and animals are called

    (a)

    In Organic Compounds

    (b)

    Organic Compounds

    (c)

    Synthetic Compounds

    (d)

    Artificial Compounds

  5. The compound used for the sterilisation of drinking water is________

    (a)

    baking soda

    (b)

    washing soda

    (c)

    quick lime

    (d)

    bleaching powder.

  6. 5 x 2 = 10
  7. Write the symbols for these elements
    a) Oxygen b) Gold
    c) calcium d) cadmium e) Iron

  8. What does a chemical symbol represent?

  9. Write three properties of metalloids.

  10. What are non-metals?

  11. What are metalloids?

  12. 5 x 3 = 15
  13. Mention any four compounds and their uses.

  14. What is a compound? Give example.

  15. What are inorganic compounds? Give example.

  16. What are organic compounds? Give example.

  17. What is malleability?

  18. 2 x 5 = 10
  19. Explain the physical properties of non metals

  20. Write the chemical names constituents and uses of some compounds

*****************************************

Reviews & Comments about 8th Science - Matter Model Question Paper

Write your Comment