General Characteristics And Properties Of Acids, Bases, And Salts Jamb Chemistry Past Questions

Question 1

The Sulphide which is insoluble in dilute hydrochloric acid is

jamb 2018

  • A. FeS
  • B. CuS
  • C. ZnS
  • D. Na2S
View Answer and Explanation

Question 2

The boiling of fat and aqueous caustic soda is referred to as

jamb 2018

  • A. hydrolysis
  • B. esterification
  • C. acidification
  • D. saponification
View Answer and Explanation

Question 3

The salt that reacts with dilute hydrochloric acid to produce a pungent smelling gas which decolourizes acidified purple potassium tetraoxomanganate (VII) solution is

jamb 2018

  • A. Na\(_2\)SO\(_4\)
  • B. Na\(_2\)SO\(_3\)
  • C. Na\(_2\)S
  • D. Na\(_2\)CO\(_3\)
View Answer and Explanation

Question 4

What is the chemical name for the compound CuCO\(_{3}\)?

jamb 2021

  • A. Copper (iii) carbonate
  • B. Copper (ii) carbonate
  • C. Copper (i) carbonate
  • D. Copper
View Answer and Explanation

Question 5

Which of the following is a form of calcium carbonate?

I. limestone

II. marble

III. chalk

Iv. egg-shells

jamb 2021

  • A. limestone
  • B. I only
  • C. I, II and IV
  • D. I and II only
  • E. I, II, III, and IV
View Answer and Explanation