Jamb Chemistry Past Questions and Answers

Question 2156:

• JAMB 2020

An organic compound that does not undergo a reaction with both hydrogen cyanide and hydroxylamine can be?

A. Alkene
B. Alkanal
C. Alkanone
D. Alkanoic Acid

Question 2157:

• JAMB 2020

The substance often used for vulcanization of rubber is?

A. Chlorine
B. Hydrogen peroxide
C. Sulphur
D. Tetraoxosulphate(vi) acid

Question 2158:

• JAMB 2020

The chlorinated alkane often used industrially to remove grease is?

A. Tetrachloromethane
B. Chloromethane
C. Trichloromethane
D. Dichloromethane

Question 2159:

• JAMB 2020

What mass of water is produced when 8.0g of hydrogen reacts with excess oxygen?

A. 8.0g
B. 16.0g
C. 36.0g
D. 72.0g

Question 2160:

• JAMB 2020

Proteins in acid solution undergo?

A. Substitution
B. Fermentation
C. Hydrolysis
D. Polymerisation