GENERAL SCIENCE TEST SERIES - 12

1. Calcium chloro hypochlorite is
     a. Bleaching powder   b. galena   c.  gypsum  d. Hypo

2. Lead sulphide is
    a. Bleaching powder   b. galena   c.  gypsum  d. Hypo

3. Sodium thiosulphate is
    a. Bleaching powder   b. galena   c.  gypsum  d. Hypo


4. Calcium sulphate is
    a. Bleaching powder   b. galena   c.  gypsum  d. Hypo

5. White vitriol is
     a. Zinc sulphate   b. galena   c.  gypsum  d. Hypo

6. Trinitro toluene is
    a. Bleaching powder   b. TNT   c.  gypsum  d. Hypo

7. Dry ice is
   a. Bleaching powder   b. galena   c.  gypsum  d. solid carbon dioxide

8. Sodium tetraborate is
    a. Bleaching powder   b. galena   c.  borax  d. Hypo

9. Chile salt petre is
     a. Bleaching powder   b. sodium nitrate  c.  gypsum  d. Hypo

10. Compound used in photography is
      a. Bleaching powder   b. galena   c.  gypsum  d. Hypo

11. Vermillion is
      a. Bleaching powder   b. Mercuric sulphide  c.  gypsum  d. Hypo

12. Calomel is
      a. Bleaching powder   b. galena   c.  Mercuric chloride  d. Hypo

13. Amalgam used in mirrors is
      a. tin amalgam  b. copper amalgam  c. silver amalgam  d. platinum malagam

14. Gas used to fill electric bulb
      a. nitrogen   b. oxygen   c. argon  d. carbon dioxide

15. Compound that is used as rat poison is
      a. zinc sulphide  b. hypo   c. bleaching powder  d. blue vitriol

16. Mercury is used in
      a. thermometer  b. barometer   c. spygmomanometer d. all

17. First computer made in India is
      a. Eniac     b. param     c. Sidharth      d.  Eka

18. Silicon valley of India is situated at
      a. Mumbai   b. Kolkata    c. Bangalore   d. Hyderabad

19. The computer that has defeated Garry Kasparov in chess is
       a. Param     b. Anupam    c. Eka     d. Deep Blue

20. ABACUS was invented in
      a. India    b. Japan   c. Germany    d. China

21. Logarithm was invented by
      a. Charles Babbage    b. John Napier  c. Steve Jobs  d. Zukerberg

22. Identify the semiconductor
      a. germanium   b. silicon   c. dry ice   d. both a & b

23. Quantum theory was formulated by
      a. Max Planck   b. Neils Bohr   c. Otto Hahn   d. Robert Boyle

24. Radio telegraphy was invented by
     a. Max Planck   b. Neils Bohr   c. Otto Hahn   d. Marconi

25. Electron was discovered by
     a. Max Planck   b. Neils Bohr   c. Otto Hahn   d. J.J.Thomson

26. Neutron was discovered by
      a. Max Planck   b. James Chadwick   c. Otto Hahn   d. J.J.Thomson

27. Theory of relativity was proposed by
      a. Max Planck   b. James Chadwick   c. Albert Einstein   d. J.J.Thomson

28. Meson was discovered by
       a. Yukava   b. James Chadwick   c. Albert Einstein   d. J.J.Thomson

29. Electric bulb was invented by
      a. Max Planck   b. James Chadwick   c. Thomas Alva Edison   d. J.J.Thomson

30. Safety lamp was invented by
      a. Humphrey Davy   b. James Chadwick   c. Thomas Alva Edison   d. J.J.Thomson

31. Indian Institute of Astrophysics is at
      a. Mumbai   b. Bangalore   c. Kodai canal   d. Ooty

32. Proton was invented by
      a. Rutherford   b. James Chadwick   c. Thomas Alva Edison   d. J.J.Thomson

33. X rays were discovered by
      a. a. Max Planck   b. James Chadwick   c. Rontgen   d. J.J.Thomson