a
Epsom salt
b
Limestone
c
Clay
d
Urea
Explanation
Correct Option
cVideo Explanation
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Discussions (22)

Queenullo
7 years ago
clay is correct.....Epsom salt ( MgSO4),Urea (CH4NO2), limestone is CaCO3.....it's only clay(kaolinite) that has the formula Al2Si2O5(OH)4👌

Chiomafestus
5 years ago
The correct answer is C
Epsom salt also known as magnesium sulphate is composed of Mg,S and O. limestone is composed of calcium carbonate and urea is composed of carbon, nitrogen,and oxygen so it os only clay also as kaolinite that matches the option

anne2468
3 years ago
between the five main materials found in clay kaolinite is the most common. kaolinite holds the chemical composition AL2Si2O5(OH)4 and is an aluminium silicate material which allow shrink-swell capacity.



