2-methylprop-1-ene is an isomer of
but-2-ene
pent-1-ene
2-methylbut-2-ene
2-methylbut-1-ene
Correct answer is A
No explanation has been provided for this answer.
The hydrocarbon that burns in air with a sooty flames is
C2H6
C3H8
C4H10
C6H6
Correct answer is D
No explanation has been provided for this answer.
Which of the following metals is passive to concentrated trioxonitrate (V) acid?
Iron
Tin
Copper
Zinc
Correct answer is A
No explanation has been provided for this answer.
A metal that can be extracted from cassitertite is
cacium
magnesium
tin
copper
Correct answer is C
No explanation has been provided for this answer.
magnesium and zinc
magnesium and calcium
copper and zinc
lead and calcium
Correct answer is B
No explanation has been provided for this answer.