June 2018 and 2019 Paper 1 GCE A/L Chemistry - Introduction to GCE A/L 2019 Solution
June 2018 and 2019 Paper 1 GCE A/L Chemistry: Introduction Topics
Introduction
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Chemistry June 2019 Paper 1 Solutions
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Chemistry June 2018 Paper 1 Solutions
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Define a closed system as seen in chemical equilibrium?
A system that exchages energy but not matter with the surrounding
Define a closed system as seen in chemical equilibrium?
Define a closed system as seen in chemical equilibrium?
Define a closed system as seen in chemical equilibrium?
Please how do we know that a substance is a weak/strong acid/base???
Any acid that dissociates 100% into ions is called a strong acid. If it does not dissociate 100%, it is a weak acid.
There is no solution to june 2019 Q2b
Hello olga Can you please type the question here so that we try to answer
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Drawna dot and cross diagrams for,.
HNO3,H2SO4,HCN,SF6,POCl3,C2H4
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