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TRB MODEL QUESTIONS FOR CHEMISTRY

TRB Model Questions
11. Acetyl salicyclic acid is used as
 
  • A. Coolant
  • B. Paint
  • C. Pain reliever
  • D. Fertilizer
Answer: C.
Pain reliever
 
12. Which of the following metals pollutes the air of a city having automobiles?
 
  • A. Copper
  • B. Lead
  • C. chromium
  • D. Cadmium
Answer: B.
Lead
 
 
13. The most abundantly found metal in the human body is
 
  • A. Iron
  • B. Calcium
  • C. Magnesium
  • D. Sodium
Answer: B.
Calcium
 
14. Which among the following has the highest fuel value?
 
  • A. Fat
  • B. Amino acid
  • C. Protein
  • D. Carbohydrate
Answer: A.
Fat
 
15. The element that shows maximum catenation is
 
  • A. Silicon
  • B. Tin
  • C. Carbon
  • D. Lead
Answer: C.
Carbon