Post Utme Chemistry Past Questions and Answers

Question 1071:

If \(1 g\) of \(BI _{2}\) react with \(AgNO _{3}\) and \(1.377 g AgI\) is produced. What is the constant B.

A. \(32.18 g\)
B. \(87.32 g\)
C. \(8.3 g\)
D. 3.5g

Question 1072:

Which of the following can conduct electricity?

A. Diamond
B. Sulphur
C. Graphite
D. Phosphorus

Question 1073:

(i) \(HCl\) (ii) \(CO _{2}\) (iii) \(NH _{3}\) (iv) \(N _{2}\) (v) \(H _{2}\)
The most suitable gases for demonstrating Fountain experiment are ____________

A. I, ii & iii
B. I & iii
C. I & ii
D. Ii, iii & v

Question 1074:

Which of the following can behave both as reducing agent as well as oxidizing agent ____________

A. \(SO _{2}\)
B. \(KMnO _{4}\)
C. \(L _{1} AlH _{4}\)
D. \(K _{2} CrO _{7}\)

Question 1075:

The gas that is produced when chlorine water is exposed to sunlight is ____________

A. \(O _{2}\)
B. \(Cl _{2}\)
C. \(H _{2} O\)
D. \(N _{2}\)