Page history
23 January 2019
→Higher: Use the mole in relation to volumes of gases
+34
→Higher: Use the mole in relation to volumes of gases
-69
→Higher: Use the mole in relation to volumes of gases
+41
→Higher: Use of amount of substance in relation to masses of pure substances
-16
→Assessing purity and separating mixtures
-27
22 January 2019
20 January 2019
→Separating Mixtures
+1
→Separating Mixtures
+24
→Assessing purity and separating mixtures
-26
→Assessing purity and separating mixtures
-25
19 January 2019
→Identification of ions by chemical and spectroscopic means
+10
→Identification of ions by chemical and spectroscopic means
-1
→Identification of ions by chemical and spectroscopic means
+36
→Chemical Analysis
+862
→Chemical Analysis
+570
→Synthetic and naturally occuring polymers including DNA
-67
→Synthetic and naturally occuring polymers including DNA
+1
18 January 2019
17 January 2019
16 January 2019
→Organic Chemistry
+848
→Factors that influence the rate of reaction, including catalysts
-152
→Factors that influence the rate of reaction, including catalysts
-31
→Factors that influence the rate of reaction, including catalysts
-66
→Factors that influence the rate of reaction, including catalysts
+2
→Factors that influence the rate of reaction, including catalysts
+89
→Reversible reactions and dynamic Equilibrium
→Factors that influence the rate of reaction, including catalysts
→Factors that influence the rate of reaction, including catalysts
15 January 2019
→The Rate and Extent of Chemical Change
+677
→Energy Changes in Chemistry
-97
→Carbon Compounds as Fuels and Feedstock
+15
→Carbon Compounds as Fuels and Feedstock
-48
14 January 2019
→Chemical Bonds
+63
→Exothermic and Endothermic Reactions
+17
→Energy Changes in Chemistry
+421
→Electrolysis
+105
13 January 2019
→Energy Changes in Chemistry
+156
no edit summary
+405
→Chemistry of Acids
-3
no edit summary
+50
→Chemical Symbols, Formulae and Equations
-3
12 January 2019
7 January 2019
→Chemical Changes
+3
→Chemical Changes
+15
→Chemical Changes
+9
→Chemical Symbols, Formulae and Equations
+45