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.
64g
32g
12.8g
6.4g
3.2g
Correct answer is E
No explanation has been provided for this answer.
Sodium chloride cannot conduct electricity in the solid state because it
is a normal salt
is highly soluble in water
is an electrovalent compound
does not have any effect on litmus
does not contain mobile ions
Correct answer is E
No explanation has been provided for this answer.
simple salt
acid salts
anhydrous salts
double salts
basic salts
Correct answer is D
No explanation has been provided for this answer.
an acidic oxide
a basic oxide
a reducing agent
a weak base
an oxidizing agent
Correct answer is C
No explanation has been provided for this answer.
A positive brown ring test indicates the presence of
NO 3
Fe 3+
SO 2-3
CU+
NO- 2
Correct answer is A
Brown ring test is used for the detection of nitrate ions in a solution. As the name suggests it detects presence of nitrate ions by formation of brown ring