Learn more about the properties, composition, and structure of substances (elements and compounds) with these Chemistry questions and answers. This Test can be used by students preparing for Chemistry in JAMB, WAEC, NECO or Post UTME.
0.05 mole
0.10 mole
0.20 mole
2.00 moles
Correct answer is A
No explanation has been provided for this answer.
The liquid hydrocarbon likely to be found in the fraction of crude oil used for domestic cooking is?
C3H8
C 5H 12
C13H28
C20H42
Correct answer is A
The gas used in gas bottles is LPG – liquefied petroleum gas – which are either propane or butane, flammable hydrocarbons used as fuel for home heating, cooking, hot water and LPG cars and vehicles.
The enzyme that catalyses the conversion of glucose te ethanol and carbon (IV) oxide is
diastase
maltase
ptyalin
zymase
Correct answer is D
No explanation has been provided for this answer.
The IUPAC name of the following organic compound is HOOC - COOH
ethan - 1, 2 -dioc acid
ethanoic acid
oxalic acid
propan - 1,2-dioic acid
Correct answer is A
Oxalic acid - HOOCCOOH
It is the simplest dicarboxylic acid. It is a white crystaline solid that forms a colorless solution in water.