Acid/base titrations - Jamb Chemistry Past Questions and Answers

Question 6:

• JAMB 1978

Which of the following substances would you see as an indicator in the titration of sodium carbonate solution against hydrochloric acid (complete neutralisation)?

A. Litmus paper
B. Phenolphthalein
C. Methyl orange
D. Universal indicator
E. None of these

Question 7:

• JAMB 2004

What volume of 0.5 mol dm^-3 H₂SO₄ will exactly neutralize 20cm³ of 0.1 mol dm^-3 NaOH solution?

A. 2.0 cm³
B. 5.0 cm³
C. 6.8 cm³
D. 8.3 cm³

Question 8:

• 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 9:

• JAMB 2012

During a titration experiment, 0.05 moles of carbon (lV) oxide is liberated. What is the volume of gas liberated?

A. 22.40 dm ³
B. 11.20 dm ³
C. 2.24 dm ³
D. 1.12 dm ³

Question 10:

• JAMB 2016

The curve depicts titration between

A. Strong acid and strong base
B. Strong acid and weak base
C. Weak acid and weak base
D. Weak acid and strong base