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Question 18

Which of the following represents a redox reaction?

  • A.AgNO3 + NaCl → AgCl + NaNO3
  • B.H2S + Pb(NO3)2 → PbS + 2HNO3
  • C.CaCO3 → CaO + CO2
  • D.Zn + 2HCl → ZnCl2 + H2
Objective

Question details

Exam body
NDA
Subject
Chemistry
Year
2010/2011
Question no.
#18
Type
Objective
Previous · Q17Which of the following metals is not normally extracted by chemical reduction… Next · Q19 If an element has the electronic configuration 1s 2 2s 2 2p 6 3s 2 3p 4 It is:

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