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Waec Chemistry 2016 Past Questions and Answers

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Waec 2016 Chemistry Past Questions

Question 21:


The general gas equation \(\frac{PV}{T}\) = K is a combination of

A. Boyle's and Charles' laws
B. Boyle's and Graham's laws
C. Charles' and Graham's laws
D. Dalton's and Graham's laws


Question 22:


The spreading of the scent of a flower in a garden is an example of_____?

A. Brownian motion
B. Diffusion
C. Osmosis
D. Tynadal effect


Question 23:


Propane carbon(IV)oxide diffuse at the same rate because [H = 1.00, C = 12.0, O = 16.0]

A. They are both gases
B. Their molecules contain carbon
C. They have the same relative molecular mass
D. Both are denser than air


Question 24:


The energy which accompanies the addition of an electron to an isolated gaseous atom is

A. Atomization
B. Electronegativity
C. Electron affinity
D. Ionization


Question 25:


An aqueous solution of (NH4)2 SO4 is

A. Acidic
B. Alkaline
C. Amphoteric
D. Neutral






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