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TNPSC Chemistry Study Material & Notes in English

General Science
5. Good conductors of electricity is
 
  • A. Metal
  • B. Non metal
  • C. Metalliod
  • D. None of these
Answer: A.
Metal
 
6. Which is used to produce artificial rain?
 
  • A. Sand
  • B. Silver iodide
  • C. Silver nitrate
  • D. Copper oxide
Answer: C.
Silver nitrate
 
 
7. The cathode of a lead storage battery is made up of
 
  • A. Zinc
  • B. Lead
  • C. Lead oxide
  • D. Manganese dioxide
Answer: B.
Lead
 
8. Red phosphorous does not react with
 
  • A. Zinc
  • B. Chlorine
  • C. Alkali
  • D. Nitric acid
Answer: C.
Alkali