Jamb Chemistry Past Questions and Answers

Question 2196:

• JAMB 2021

The maximum electron in N shell is?

A. 2
B. 8
C. 18
D. 32

Question 2197:

• JAMB 2021

Neutrons were discovered by?

A. James Chadwick
B. Ernest Rutherford
C. J.J Thompson
D. John Dalton

Question 2198:

• JAMB 2021

A 'breath test' used by traffic police to check drunken driving uses?

A. Tumeric on filter paper
B. Silica gel coated with saliva nitrate
C. Potassium permanganate-sulphuric acid
D. Potassium dichromatic-sulphuric acid

Question 2199:

• JAMB 2021

Which one of the following is not a mixture?

A. Air
B. Mercury
C. Milk
D. Cement

Question 2200:

• JAMB 2021

Which of the following is a non-metal that remains liquid at room temperature?

A. Chlorine
B. Phosphorus
C. Bromine
D. Helium