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What is the impact of cooking temperatures (70C, 80C, 90C and 100C) on the vitamin C
content of white cabbage when exposed to a short cooking duration of 10 minutes? - Chemistry IA exemplar scored 3

What is the impact of cooking temperatures (70C, 80C, 90C and 100C) on the vitamin C content of white cabbage when exposed to a short cooking duration of 10 minutes?

How does temperature (5.0ºC, 10.0ºC, 15.0ºC, 20.0ºC, 25.0ºC, 30.0ºC, 35.0ºC, 40.0ºC) affect the concentration of dissolved oxygen (mg/dm3) in 20.00cm3 of deionised water, measured using Winkler's titration method? - Chemistry IA exemplar scored 7

How does temperature (5.0ºC, 10.0ºC, 15.0ºC, 20.0ºC, 25.0ºC, 30.0ºC, 35.0ºC, 40.0ºC) affect the concentration of dissolved oxygen (mg/dm3) in 20.00cm3 of deionised water, measured using Winkler's titration method?

How will heating lemon juice to different temperatures (60, 70, 80, 90, 100 degrees celsius) affect its concentration of ascorbic acid (vitamin C)? - Chemistry IA exemplar scored 4

How will heating lemon juice to different temperatures (60, 70, 80, 90, 100 degrees celsius) affect its concentration of ascorbic acid (vitamin C)?

How does the temperature (50.0,60.0,70.0,80.0,90.0 °C) of Acetylsalicylic acid synthesis
from Salicylic Acid and Acetic anhydride affect its % yield and purity (determined by the Iron
(III) Chloride test and the melting-point of the Acetylsalicylic acid crystals)? - Chemistry IA exemplar scored 5

How does the temperature (50.0,60.0,70.0,80.0,90.0 °C) of Acetylsalicylic acid synthesis from Salicylic Acid and Acetic anhydride affect its % yield and purity (determined by the Iron (III) Chloride test and the melting-point of the Acetylsalicylic acid crystals)?

Investigating the Effect of Ionic Charge of Cation towards the Enthalpy of Solution of Salts - Chemistry IA exemplar scored 5

Investigating the Effect of Ionic Charge of Cation towards the Enthalpy of Solution of Salts

As determined by the reaction rate constant, which catalyst from baker’s yeast, baking powder, and manganese (IV) oxide is the most effective at catalyzing the decomposition of 3% hydrogen peroxide? - Chemistry IA exemplar scored 7

As determined by the reaction rate constant, which catalyst from baker’s yeast, baking powder, and manganese (IV) oxide is the most effective at catalyzing the decomposition of 3% hydrogen peroxide?

How does varying the concentration of Iron(III) chloride affect the rate of hydrogen peroxide decomposition? - Chemistry IA exemplar scored 4

How does varying the concentration of Iron(III) chloride affect the rate of hydrogen peroxide decomposition?

Measuring water hardness from different sources of water using EDTA complexation titration - Chemistry IA exemplar scored 4

Measuring water hardness from different sources of water using EDTA complexation titration

Investigating how increasing temperatures of water (40°C, 50°C, 60°C, 70°C, 80°C, 90°C, 100°C) in which cloves are steeped affect the concentration of quercetin, measured by a spectrophotometer - Chemistry IA exemplar scored 5

Investigating how increasing temperatures of water (40°C, 50°C, 60°C, 70°C, 80°C, 90°C, 100°C) in which cloves are steeped affect the concentration of quercetin, measured by a spectrophotometer

How do the steeping times (30, 60, 90, 120 and 150 seconds) of tea affect its caffeine content using dichloromethane in a separating funnel? - Chemistry IA exemplar scored 7

How do the steeping times (30, 60, 90, 120 and 150 seconds) of tea affect its caffeine content using dichloromethane in a separating funnel?