Biology 9700/34 Oct Nov 2022 | Cambridge AS Level Past Papers With Mark Scheme
- Ascorbic acid concentration analysis in vegetable extracts.
- Impact of heating on ascorbic acid levels.
- Serial dilution preparation for ascorbic acid solutions.
- Endpoint determination using iodine solution in titration.
- Antimicrobial properties of ascorbic acid against B. subtilis.
- Investigation of heating duration effects on ascorbic acid concentration.

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