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.
Which of the following organic compounds is very soluble in water?
CH3COOH
C2H2
C2H4
CH3COOC2H5
Correct answer is A
Ethanoic acid ( CH\(_3\)COOH ) is the only organic compound listed here that is (very) soluble in water.
Which of the following is used as fuel in miners' lamp?
Ethanal
Ethyne
Ethene
Ethane
Correct answer is B
Ethyne is a sometimes used a fuel in miners'lamps.
The IUPAC nomenclature of the compound above is?
4 - ethyloctane
5 - ethyloctane
5 - propylheptane
3 - propylheptane
Correct answer is A
Adhering to the basic naming rules, this compound is identified as 4 - ethyloctane
The residual solids from the fractional distillation of petroleum are used as?
coatings of pipes
raw materials for the cracking process
fuel for the driving tractors
fuel for jet engines
Correct answer is A
Other residues (apart from bitumen) are used as fuel, pipe coating, etc
Stainless steel is used for making?
magnets
tools
coins and medals
moving parts of clocks
Correct answer is B
- Stainless steel is an alloy of iron, nickel and chromium. It is used in making cutlery, tools and surgical equipment.