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.
If the temperature of a gas is increased?
the kinetic energy of the emolecules will decrease
the pressure will decrease if the volume is constant
the gas will occupy a greater volume if the pressure is constant
the mass of the gas will decrease
the pressure and volume will increase
Correct answer is C
No explanation has been provided for this answer.
2.0
1.8
1.4
1.0
0.5
Correct answer is C
No explanation has been provided for this answer.
Which of the following equations represents an oxidizing action of sulphur dioxide?
SO2 + 2HNO2 → H2SO4 + 2NO2 + heat
2SO2 + 2H2O + O2 → 2H2SO4
SO2 + 2H2O + CI2 → H2SO4 + 2HCI
SO2 + 2H2S → 3S + 2H2O
K2Cr2O7 + H2SO4 + 3SO2 → K2SO4 + Cr2(SO4)3 + H2O
Correct answer is D
No explanation has been provided for this answer.
Which of the following represents ethyl ethanonate?
CH3CH2CO2CH3
(CH3CO2)2O
CH3CH2CO2CH2CH3
CH3CO2CH2CH3
CH3CH2COCH2CH3
Correct answer is D
No explanation has been provided for this answer.
only high pressure
only high temperature
a combination of high temperature and low pressure
a combination of low temperature and high pressure
low pressure
Correct answer is D
No explanation has been provided for this answer.