Applied Chemistry Model Question Paper

9th Standard

    Reg.No. :
  •  
  •  
  •  
  •  
  •  
  •  

Science

Time : 02:00:00 Hrs
Total Marks : 50
    7 x 1 = 7
  1. One Nanometre is

    (a)

    10-7 metre

    (b)

    10-8 metre

    (c)

    10-6 metre

    (d)

    10-9 metre

  2. 1% solution of Iodoform is used as

    (a)

    antipyretic

    (b)

    antimalarial

    (c)

    antiseptic

    (d)

    antacid

  3. The cathode of an electrochemical reaction involves ____________

    (a)

    oxidation

    (b)

    reduction

    (c)

    neutralisation

    (d)

    catenation

  4. The age of a dead animal can be determined by using an isotope of ____________

    (a)

    carbon

    (b)

    iodine

    (c)

    phosphorous

    (d)

    oxygen

  5. This type of food protect us from deficiency diseases.

    (a)

    Carbohydrates

    (b)

    Vitamins

    (c)

    Proteins

    (d)

    Fats

  6. The groups responsible for the colour of an organic compound is called

    (a)

    isotopes

    (b)

    auxochrome

    (c)

    chromogen

    (d)

    chromophore

  7. Chlorinated hydrocarbons are used as

    (a)

    fertilizers

    (b)

    pesticides

    (c)

    food colourants

    (d)

    preservatives

  8. 5 x 1 = 5
  9. ____________ is an electrochemical cell which converts electrical energy into chemical change(Reaction).

    ()

    Electrolytic cell

  10. Painkiller drugs are called ___________

    ()

    Analgesics

  11. _____________ is a chemical used in finger print analysis.

    ()

    Ninhydrin

  12. ______________ substances are incorporated in fabrics to prevent the growth of bacteria.

    ()

    Nanoparticle

  13. ______________ Isotope used for the treatment of Blood disorder and Skin disease.

    ()

    Phosphoro s - 30

  14. 3 x 1 = 3
  15. Nanoplastics are stable, when they contact with oxygen.

    (a) True
    (b) False
  16. Only redox reactions that take place in a specific device can produce electricity.

    (a) True
    (b) False
  17. Radio isotope used to find the nature of some reactions are called as radiotracer.

    (a) True
    (b) False
  18. 5 x 1 = 5
  19. Antipyretics

  20. (1)

    Cancer cell identification

  21. Hyperthyroidism

  22. (2)

    Iodine -131

  23. Nano robotics

  24. (3)

    Insulin

  25. Plants

  26. (4)

    Fever

  27. Animal

  28. (5)

    Quinine

    3 x 2 = 6
  29. What is Chemotherapy?

  30. What are called Anaesthetics? How are they classified?

  31. What is Forensic chemistry related to?

  32. 3 x 3 = 9
  33. Define a 'Drug'.

  34. List out the characteristics of 'dye'.

  35. What is balanced diet?

  36. 3 x 5 = 15
  37. Draw the cell diagram of Daniel cell. Give its reactions.

  38. Name various food additives and explain their functions.

  39. What are the characteristics of drugs?

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

Reviews & Comments about 9th Science - Applied Chemistry Model Question Paper

Write your Comment