Search SchoolNGR

Chemistry Past Questions and Answers

Jamb Chemistry Questions

Question 26:

Which of the following gives a precipitate when treated with NaOH solution?

SchoolNGR Classroom

A AlCl₃
B NH₄CL
C CH₃COONa
D Na₂CO₃

View Answer & Explanation

Question 27:

An example of element that can catenate is

SchoolNGR Classroom

A Bromine
B Nitrogen
C Chlorine
D Carbon

View Answer & Explanation

Question 28:

The reaction of an alkene with hydrogen in the presence of catalyst is

SchoolNGR Classroom

A A substitution reaction
B An oxidation reaction
C A nucleophilic reaction
D An addition reaction

View Answer & Explanation

Question 29:

The number of isomers formed by C₆H₁₄ is

SchoolNGR Classroom

A 4
B 5
C 2
D 3

View Answer & Explanation

Question 30:

Which of these pairs are synthetic and natural macromolecules respectively?

SchoolNGR Classroom

A Haemoglobin and nylon, creatine and polyethylene
B Nylon and polyethlene, creatine and Haemoglobin
C Nylon and creatine, polyethylene and haemoglobin
D Polyethylene and creatine, nylon and haemoglobin

View Answer & Explanation

Stay Updated

Follow us on:

Subjects