Post Utme Chemistry Past Questions and Answers

Question 956:

The complete oxidation of propan \(-1-\) of yields ____________

A. \(CH _{3} CH _{2} CHO\)
B. \(CH _{3} COCH _{3}\)
C. \(CH _{3} COOCH _{3} \)
D. \(CH _{3} CH _{2} COOH\)

Question 957:

Which of the following is responsible for the conduction of electricity in a gas enclosed in a glass tube containing two electrodes at a reduced pressure and to which a high voltage is applied?

A. Cations and anions
B. Cations
C. Electrons
D. Cations and electrons

Question 958:

Which of these is correct about methyl orange?

A. Yellow in excess aqueous hydrogen ions
B. Pink in excess aqueous hydrogen ions
C. Pink in excess aqueous hydrogen ions
D. Colourless in excess aqueous hydrogen ions

Question 959:

Which of the following ions will interact with water to give a solution of \(pH <7\) ?

A. \(Na ^{+}\)
B. \(NH _{4}^{-}\)
C. \(CN ^{-}\)
D. \(HCOO ^{-}\)

Question 960:

\(M _{( s )}+x H _{2} SO _{4( aq )} \rightarrow M \left( SO _{4}\right)_{x( aq )}+x H _{2( q )}\)
Which of the following elements will not undergo the above reaction?

A. Zn
B. Na
C. Cu
D. Ca