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.
its vapour pressure is equal to the vapour pressure of its solid at the given temperature
molecules start escaping from its surface
its vapour pressure equals the atmosphere pressure
its volume is sightly increased
Correct answer is C
The normal boiling point is the temperature at which the vapour pressure is equal to the standard sea-level atmospheric pressure.
3.2 g
6.4 g
80.0 g
160.0 g
Correct answer is D
No explanation has been provided for this answer.
3:1
5:2
5:4
8:3
Correct answer is A
No explanation has been provided for this answer.
What volume of oxygen will remain after reacting 8cm3 of hydrogen with 20cm3 of oxygen?
10 cm3
12 cm3
14 cm3
16 cm3
Correct answer is D
No explanation has been provided for this answer.
3.01 x 1022
6.02 x 1022
3.01 x 1023
6.01 x 1023
Correct answer is B
No explanation has been provided for this answer.