Home / Aptitude Tests / Chemistry / Consider the followi...

Consider the following table

Consider the following table

Substitute Meltig point / ºC Boiling  point / ºC
P - 78 -25
Q - 8 40
R  - 6 150
S 44 280


Which of the substances is a liquid at room temperature and rapidly evaporates on exposure to air?

A.

P

B.

Q

C.

R

D.

S

View answer & explanation

Correct answer is B

Q has slightly lower boiling point which when expose to air may evaporate rapidly.

See all Chemistry questions & answers
See more WAEC questions & answers
Similar Questions

The Bohr model of the atom proposed the existence of?  ...

On cracking medicinal paraffin, a gas is evolved which gives a pop sound with a lighted splinter and...

Which of the following scientists discovered the electrons? ...

The following compounds are given with their corresponding boiling points. Compound Boiling Point ...

Starch can be converted to ethyl alcohol by ...

The following arrangement of elements in order of decreasing number of outer electrons; One of the e...

The key factor to be considered in siting a chemical industry is ...

The liquid product of the destructive distillation of coal is ...

Commercial bleaching can be carried out using ...

NH4Cl(s) ↔ NH3(g) + HCL(g) The reaction above can only attain equilibrium if...

Aptitude Tests

Situational Judgement Questions and Answers

Personality Test

Data Interpretation Questions and Answers

Spatial Reasoning Questions and Answers

Quantitative Reasoning Questions and Answers

Verbal Reasoning Questions and Answers

Logical Reasoning Questions and Answers

Puzzles Questions and Answers

Abstract Reasoning Questions and Answers

Numerical Reasoning Questions and Answers

Typing Speed and Accuracy Test

Microsoft Office Questions and Answers

Nigeria General Knowledge Questions and Answers

See all →


View latest jobs in Nigeria today