Acids, bases and salts - Jamb Chemistry Past Questions and Answers

Question 131:

• JAMB 2010

Calculate the volume of 0.5 mol dm^-3 H₂So₄ that is neutralized by 25 cm³ of 0.1 mol dm^-3 NaOH

A. 5.0 cm³
B. 2.5 cm³
C. 0.4 cm³
D. 0.1 cm³

Question 132:

• JAMB 2010

The colour of methyl orange in alkaline medium is

A. Yellow
B. Pink
C. Orange
D. Red

Question 133:

• JAMB 2010

Which of the following salts is slightly soluble in water?

A. AgCl
B. CaSO₄
C. Na₂CO₃
D. PbCl₂

Question 134:

• JAMB 2010

The IUPAC nomenclature of the compound LiAlH₄ is

A. Lithiumtetrahydridoaluminate (III)
B. Aluminium tetrahydrido lithium
C. Tetrahydrido lithium aluminate (III)
D. Lithium aluminium hydride

Question 135:

• JAMB 2010

To a solution of an unknown compound, a little dilute tetraoxosulphate (VI) acid was added with some freshly prepared iron (II) tetraoxosulphate (VI) solution. The brown ring observed after the addition of a stream of concentrated tetraoxosulphate (VI) acid confirmed the presence of

A. CO^-
B. Cl^-
C. SO^-
D. NO