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

Question 161:

• JAMB 2015

what is the pH of 0.00lmoldm³ solution of sodium hydroxide

A. 14
B. 13
C. 12
D. 11

Question 162:

• JAMB 2016

In the laboratory preparation of chlorine from concentrated hydrochloric acid in the presence of potassuim tetraoxomanganate(VII) the produced is dried by passing it through

A. Concentrated tetraoxosulphate (VI) acid
B. Anhydrous calcium chloride
C. Calcium oxide
D. Sodium hydroxide

Question 163:

• JAMB 2016

An example of an acidic oxide is

A. NO
B. CO
C. SO₂
D. CuO

Question 164:

• JAMB 2016

What volume of 0.5M H2SO4 will exactly neutralize 20cm3 of 0.1M NaOH Solution?

A. 2.0cm ³
B. 5.0cm ₃
C. 6.8cm ³
D. 8.3cm ³

Question 165:

• JAMB 2016

The drying agent suitable for drying ammonia is

A. Calcium Chloride
B. Calcium Oxide
C. Phosphorus(V) Oxide
D. Concentrated H₂SO₄