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.
P and Q
P and R
P and S
R and S
Q and R
Correct answer is D
No explanation has been provided for this answer.
The i.u.p.A.C name for the compound
2-chloro-isopentane
3-chloro-isopentane
2-chloro-2-methylbutane
1-chloro-2,2- dimethylpropane
2-chloro-2-ethylpropane
Correct answer is C
No explanation has been provided for this answer.
10 g
12 g
14 g
16 g
18 g
Correct answer is D
At 80°C, we have \(1000cm^{3} = 0.4mol/cm^{3}\)
40°C = \(0.3mol/cm^{3}\)
hence, the loss in concentration = \(0.1mol/cm^{3}\)
= \(0.1 \times 160 = 16g\)
1-methlpentan
3-methylbutane
2-methylbutane
1-dimethylpropane
2-methylpentane
Correct answer is C
No explanation has been provided for this answer.
The bulb lights and copper is deposited at both electrodes
the bulb lights and copper is deposited at the anode and disappears from the cathode
the bulb lights and copper is deposited at the cathode and oxygen liberated at the anode
the bulb lights and copper is deposited at the cathode and disappears from the anode
the bulb lights but no additional changes are observed
Correct answer is D
No explanation has been provided for this answer.