Which hydrocarbon does NOT exhibit structural isomerism?
C3H6
C4H6
C4H8
C4H10
C5H12
Correct answer is A
Alkenes that show structural isomerism are those with 4 carbons and above.
What is formed when starch is completely hydrolysed?
fructose
glucose
lactose
maltose
sucrose
Correct answer is B
No explanation has been provided for this answer.
Which method is used for the purification of copper from its ore?
distillation
electrochemical
electrolysis
neutralization
reduction
Correct answer is C
No explanation has been provided for this answer.
0.01
0.05
0.1
0.5
2.8
Correct answer is B
No explanation has been provided for this answer.