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.
naturally radioactive
abundant in nature
a transition metal
an isotopic mixture
Correct answer is D
No explanation has been provided for this answer.
Waste plastics accumulate in the soil and pollute the environment because plastic materials are
insoluble in water
non-biodegradable
easily affected by heat
inflammable
Correct answer is B
No explanation has been provided for this answer.
Acidic industrial waste can be treated with
lime
brine
water
enthanol
Correct answer is A
No explanation has been provided for this answer.
Ag → Ag+ + e-
Ag+ + e- → Ag
2Ag + Br22 → AgBr
Ag+ + Br- → AgBr
Correct answer is B
No explanation has been provided for this answer.
increases
decreases
remains constant
doubles
Correct answer is B
No explanation has been provided for this answer.