Waec 2021 Chemistry Question 1

Practice essay / theory question 1 from the 2021 Waec Chemistry examination. This question covers General .

Waec 2021 Chemistry Essay / Theory

Topic: General

Question 1 WAEC • 2021 • CHEMISTRY • essay

Question Parts

( a )

Distinguish between molecular formula and structural formula.

( b )

List three factors that determine the ionization energy of an atom.

( c )

State the two conditions necessary for the establishment of a chemical equilibrium.

( d )

Consider the following table.

( e )

State Graham's law of diffusion.

( f )

Consider the following salts: \( \mathrm{Mg}\left(\mathrm{NO}_{3}\right)_{2}, \mathrm{CaCO}_{3}, \mathrm{Na}_{2} \mathrm{SO}_{4} \). State which of the salts is/are:

( g )

Classify each of the following products as addition polymer or condensation polymer:

( h )

Define atomic radius.

( i )

Explain briefly why ethanol has a higher boiling point than propane even though they both have comparable molar masses.

( j )

State three significance of the \( p H \) value in everyday life.

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About This Question

This is Waec 2021 Chemistry Question 1. It is one of the essay questions from the 2021 Waec Chemistry examination.

The question covers General .

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