Environmental pollution problems are generally more severe in countries which have
dense population
low birth rate
great land mass
limited industries
Correct answer is A
No explanation has been provided for this answer.
Which of the following is needed to produce slag during the extraction of iron in the blast furnace?
Cryolite
Limestone
Carbon
Sulphur
Correct answer is B
No explanation has been provided for this answer.
Geometric (cis-trans) isomerism is exhibited by
C 2H 2CI 2
CH2CI5
C 4H 10
C5H12
Correct answer is A
No explanation has been provided for this answer.
Which of the following is a secondary alkanol?
OHCI2-CH2OH
H2C=CH-CH2OH
CH 3-CH(OH)-CH 3
CH3-(CH2)3-CH2OH
Correct answer is C
No explanation has been provided for this answer.
Alkanoates are produced from alkanols by
fermentation
saponification
oxidation
esterification
Correct answer is D
No explanation has been provided for this answer.