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.
CO2 and H2
CO and H2O
CO2 and CO
CO and N2
CO and H2
Correct answer is E
Electrolysis of a sodium hydroxide solution produces oxygen at the anode and hydrogen at the cathode.
How many isomers can be obtained from C4H10?
0
1
2
3
4
Correct answer is C
No explanation has been provided for this answer.
300cm3
200cm3
150cm3
100cm3
50cm3
Correct answer is C
No explanation has been provided for this answer.
Which of the following is not true of the rusting of iron?
Rusting is a reduction process
Rusting of iron takes place in the presence of oxygen and moisture
the rust formed is reddish brown
the major constituent of rust is hydrated iron (lll) oxide
rusting is similar to burning
Correct answer is A
No explanation has been provided for this answer.
Which of the following is not decomposed by heat?
CaCO3
CuCO3
ZnCO,sub>3
Na2CO3
MgCO3
Correct answer is D
No explanation has been provided for this answer.