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.
AI(NO3)3
KNO3
N2O
NH3
Correct answer is A
No explanation has been provided for this answer.
An aqueous solution of CaCI2 is
acidic solution
alkaline solution
a buffer solution
a neutral solution
Correct answer is D
No explanation has been provided for this answer.
The colour of phenolphthalein indicator in dilute HNO is
colourless
orange
pink
purple
Correct answer is A
No explanation has been provided for this answer.
6C (s) + 6H 2(g) + 3O2(g) → C 6H12O6(s)
6CO2(g) + 6H2O (l) → C6H12O6(s) + 6O 2(g)
6C(g) + 6H 2(g) + 3O2(g) → C6H12O 6(s)
6C(g) + 6H 2(g) + 3O2(g) → C 6H 12O 6(aq)
Correct answer is B
No explanation has been provided for this answer.
Diamond does not conduct electricity because it?
has no free valence electrons
is a giant molecule
contains no bonded electrons
is a solid at room temperature
Correct answer is A
It does not conduct electricity. Every atom in a diamond is bonded to its neighbours by four strong covalent bonds, leaving no free electrons and no ions .