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.
When heat is absorbed during a chemical reaction, the reaction is said to be
adiabatic
endothermic
exothermic
isothermal
Correct answer is B
No explanation has been provided for this answer.
Density
Pressure
Temperature
Volume
Correct answer is C
No explanation has been provided for this answer.
SO 2 O2, NH3 H2
H2S,NH2,O2,SO2
72001934
NH3,NO2,N2,CO2
Correct answer is A
No explanation has been provided for this answer.
The pressure exerted by a gas is a function of the
total volume of the gas
speed of the gaseous molecules
mass of each gaseous molecule
frequency of collision between gaseous molecules
Correct answer is D
No explanation has been provided for this answer.
Which of the following phenomenna lead to decrease in volume of a liquid in an open container?
Brownian motion
Diffusion
Evaporation
Sublimation
Correct answer is C
No explanation has been provided for this answer.