Post Utme Chemistry Past Questions and Answers

Question 531:

Which of the following is found in cotton?

A. Fat
B. Starch
C. Of
D. Cellulose

Question 532:

The process by which atoms are rearranged into different molecular structures in the petroleum refining process is referred to as ____________

A. Polymerization
B. Reforming
C. Hydrocraking
D. Catalytic cracking

Question 533:

The type of reaction that is peculiar to benzene is ____________

A. Hydrolysis
B. Addition
C. Substitution
D. Polymerization

Question 534:

Carbohydrates are compounds containing carbon, hydrogen and oxygen in the ratio ____________

A. 1:1:1
B. 1:2:1
C. 2:1:L1
D. 3:1:1

Question 535:

A compound containing 40% carbon, 6.7% hydrogen and 53.3% oxygen. If the molar mass of the compound is 180, find the molecular formula

A. C6H⁶O³
B. C⁶H¹²O⁶
C. C³H⁶O³
D. CH2O