Post Utme Chemistry Past Questions and Answers

Question 361:

35 Which of the following minerais contains fluorine as one of its constituent elements?

A. Cryolite
B. Bauxite
C. Potashalum
D. Kaolin

Question 362:

The product of the reaction between propanoicacid and ethanolis ____________

A. Ethilpropanoate
B. Ethylethanoate
C. Methylpropanoate
D. Propylethanoate

Question 363:

Which of the following accounts for the difference in the mode of conduction of electricity by metals and aqueous salt solutions?

A. Electrons are present in metals but not in salt solutions
B. Metals are conductor while salts are electrolytes
C. Electricity is carried by moblle electrons in metals but by ions in aqueous salts solution
D. Salts ionize in aqueous solution while metals do not

Question 364:

Starch undergoes complete hydrolysis to produce ____________

A. Maitose
B. Lactose
C. Fructose
D. Glucose

Question 365:

Which of the following solids has a network structure?

A. Diamond
B. Lodine
C. Sulphu
D. Graphite