Question 736:

• JAMB 1992

Four elements P,Q,R and S have 1,2,3, and 7 electrons in their outermost shells respectively. The element which is unlikely to be a metal is?

A. P
B. Q
C. R
D. S

Question 737:

• JAMB 1992

Which of the following gases dissolves in water vapour to produce acid rain during rainfall?

A. Oxygen
B. Carbon (II) oxide
C. Nitrogen
D. Sulphur (IV) oxide

Question 738:

• JAMB 1992

Water for town supply is chlorinated to make it free from?

A. Bad odour
B. Bacteria
C. Temporary hardness
D. Permanent hardness

Question 739:

• JAMB 1992

On which of the following is the solubility of a gaseous substance dependent? I. Nature of solvent II. Nature of solute III. Temperature IV. Pressure

A. I, II, III and IV
B. I and II only
C. II only
D. I, III and IV only

Question 740:

• JAMB 1992

An emulsion paint consists of ?

A. Gas or liquid particles dispersed in liguid
B. Liquid particles dispersed in liquid
C. Solid particles dispersed in liquid
D. Solid particles dispersed in solid