Post Utme Chemistry Past Questions and Answers

Question 606:

Equals volumes of CO and CO₂ at stp have the same ____________

A. Mass
B. Density
C. Rate of diffusion
D. Number of molecules

Question 607:

The electronic configuration 1S22S22P63S23P6 is that of a ____________

A. Noble gas
B. Group (II) element
C. Group (III) element
D. Group (V) element
E. Group (VI) element

Question 608:

Which of the following is biodegradable?

A. Sewage
B. Plastics
C. Metal scraps

Question 609:

Hydrogen is used for the following except?

A. Manufacturing of ammonia
B. Synthesis of hydrochloric acid
C. Conversion of coal to petrol
D. Extinguishing fire
E. Manufacture of margarine

Question 610:

How many mole of AgNO3 are there in 500cm³ of 0.01M AGN03 solution?

A. 0.005 mole
B. 0.05Mole
C. 0.5mole
D. 1mole
E. 5 moles