An organic compound that does not undergo a reaction with both hydrogen cyanide and hydroxylamine can be
A. alkene
B. alkanal
C. alkanone
D. alkanoic acid

POlyvinyl chloride is used to produce
A. bread
B. pencils
C. ink
D. pipes

When excess ethanol is heated to 145oC in the presence of concentrated H2SO4, the product is
A. ethyne
B. diethyl sulphate
C. diethyl ether
D. acetone

Which of the following is a solvent for perfumes?
A. C5H12
B. C4H6
C. CH3COOH
D. C2H5OH

Good morning African

Good morning

2-methylprop-1-ene is an isomer of
A. but-2-ene
B. pent-1-ene
C. 2-methylbut-2-ene
D. 2-methylbut-1-ene

The hydrocarbon that burns in air with a sooty flames is
A. C2H6
B. C3H8
C. C4H10
D. C6H6

Which of the following metals is passive to concentrated trioxonitrate (V) acid?
A. Iron
B. Tin
C. Copper
D. Zinc

A metal that can be extracted from cassitertite is
A. cacium
B. magnesium
C. tin
D. copper