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

How many moles of limestone will be required to produce 5.6g of CaO? [Ca = 40, C = 12, O= 16] ...

If a metal R forms a compound with the formula R(NO3)2 the formula of its tetraoxosulphate (VI) is...

Separation of mixture of solids by physical methods can be based on differences in the following exc...

Determine the mass of copper deposited by 4.0 moles of electrons in the reaction represented by the ...

The alkali metals exhibit similar chemical properties because ...

Which of the following elements would displace copper from a solution of copper ions? ...

A mixture of sugar and sulphur can be separated by? ...

Aluminium is extracted commercially from its ore by? ...

A major effect of oil pollution in coastal waters is the? ...

The pH of a solution obtained by mixing 100cm3 of a 0.2M solution of NaOH is?...

Aptitude Tests

Quantitative Reasoning Questions and Answers

Verbal Reasoning Questions and Answers

Typing Speed and Accuracy Test

Numerical Reasoning Questions and Answers

Nigeria General Knowledge Questions and Answers

Logical Reasoning Questions and Answers

Microsoft Office Questions and Answers

Situational Judgement Questions and Answers

Data Interpretation Questions and Answers

Puzzles Questions and Answers

Spatial Reasoning Questions and Answers

Abstract Reasoning Questions and Answers

Personality Test

See all →


View latest jobs in Nigeria today