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Chemistry Questions and Answers

General Science
61. Razor blades are made from
 
  • A. cast iron
  • B. mild steel
  • C. wrought iron
  • D. tempered steel
 
 
62. The pH of milk is
 
  • A. 3.0
  • B. 6.5
  • C. 8.5
  • D. 11.4
 
63. Piezo electric effect is exhibited by
 
  • A. diamond
  • B. quartz
  • C. iron
  • D. carbon
 
64. Deficiency of iron in our body leads to
 
  • A. rickets
  • B. glaucoma
  • C. scurvy
  • D. anaemia