BCECE 2017 Question Paper with Answer Key PDF (Set A)

BCECE Questions

• 1.

  What color does Silver Chloride (AgCl) turn upon exposure to sunlight?
  

  • Grey
    
  • White
    
  • Yellow
    
  • Brown
    
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• 2.

  Which of these sulfides is not black?
  

  • CuS
    
  • PbS
    
  • Ag\(_2\)S
    
  • CdS
    
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• 3.

  Tomato is a natural source of which acid?
  

  • Acetic acid
    
  • Citric acid
    
  • Tartaric acid
    
  • Oxalic acid
    
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• 4.

  The number of atoms in 0.1 mole of a triatomic gas will be (NA = \( 6.02 \times 10^{23} \)):
  

  • \( 1.800 \times 10^{22} \)
    
  • \( 6.026 \times 10^{22} \)
    
  • \( 1.806 \times 10^{23} \)
    
  • \( 3.600 \times 10^{23} \)
    
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• 5.

  Blood clotting is caused by which vitamin?
  

  • Vitamin A
    
  • Vitamin C
    
  • Vitamin K
    
  • Vitamin D
    
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• 6.

  How many moles of O₂ will be formed from the decomposition of Pb(NO₃)₂?
  

  • 1 mole
    
  • 2 moles
    
  • 0.5 mole
    
  • 4 moles
    
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