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Chemistry Questions and Answers

General Science
5. The vitamin that helps in the clotting of blood is
 
  • A. Vitamin E
  • B. Vitamin K
  • C. Vitamin C
  • D. Vitamin A
 
 
6. Bronze is an alloy of
 
  • A. copper and zinc
  • B. copper and tin
  • C. tin and zinc
  • D. iron and zinc
 
7. Who was the father of chemistry?
 
  • A. Urey
  • B. Lister
  • C. Cavendish
  • D. Robert Boyle
 
8. The ore of manganese is
 
  • A. bauxite
  • B. carninerite
  • C. phrolusite
  • D. pentlandite