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General Science Gk Questions

5. The purest from of carbon is
 
  • A. Sugar charcoal
  • B. Animal charcoal
  • C. Coconut charcoal
  • D. Wood charcoal
Answer: A.
Sugar charcoal
 
6. The acid used in car battery is
 
  • A. Nitric acid
  • B. Citric acid
  • C. Sulphuric acid
  • D. Hydrochloric acid
Answer: C.
Sulphuric acid
 
 
7. The speed of light will be minimum while passing through
 
  • A. Vacuum
  • B. Air
  • C. Glass
  • D. Water
Answer: C.
Glass
 
8. In an electronic watch, the component corresponding to pendulum of a pendulum clock is a
 
  • A. Balance wheel
  • B. Transistor
  • C. Crystal oscillator
  • D. Diode
Answer: C.
Crystal oscillator