Waec 2025 Chemistry Question 1

Practice essay / theory question 1 from the 2025 Waec Chemistry examination. This question covers General .

Waec 2025 Chemistry Essay / Theory
Topic: General
Question 1 WAEC • 2025 • CHEMISTRY • essay

Answer all the questions in this section.

Question Parts

( a )
How many moles are there in 4.8 g of ozone? \( [O=16.0] \)
( b )
Write the formula for each of the following ions:
( c )
Name the following organic compounds:
( d )
Explain briefly the statement an atom is electrically neutral?
( e )
Write electron configuration for each of the following:
( f )
What is an acid salt?
( g )
An element is represented as \( { }_{b}^{a} \mathrm{X} \), where \( X \) is the symbol of the element. What do the letters \( a \) and \( b \) represents?
( h )
What separation method could be used to separate a mixture of:
( i )
State the type of bonding that occurs in each of the following species;
( j )
Arrange the following metals in order of increasing reactivity: Pb; Zn; Mg; Na; Ag.

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About This Question

This is Waec 2025 Chemistry Question 1. It is one of the essay questions from the 2025 Waec Chemistry examination.

The question covers General .

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