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Recent content by JoHN_95

J
Biology P5 Doubts, Guess Papers, Important Concepts and Leaks.

And i thought it was as a water reservoir x_x thanks :)
- JoHN_95
- Post #55
- May 8, 2014
- Forum: A-Levels
J
Biology P5 Doubts, Guess Papers, Important Concepts and Leaks.

In potometer experiment they keep a syringe...whts the use of that ?
- JoHN_95
- Post #53
- May 8, 2014
- Forum: A-Levels
J
Biology P5 Doubts, Guess Papers, Important Concepts and Leaks.

Sorry to disturb u but could u also tell me why do we use propanone in chromatography...is it fr staining ?
- JoHN_95
- Post #28
- May 8, 2014
- Forum: A-Levels
J
Biology P5 Doubts, Guess Papers, Important Concepts and Leaks.

Thank you soo much...may all ur papers go bombstick n good luck x
- JoHN_95
- Post #25
- May 8, 2014
- Forum: A-Levels
J
Biology P5 Doubts, Guess Papers, Important Concepts and Leaks.

How to perform the proportional dilution..do we keep the m constant in the formula ?
- JoHN_95
- Post #20
- May 8, 2014
- Forum: A-Levels
J
*Biology Paper 5 tips*

Hiw to make dilutions from the main stock solution ? Mostly they reject serial dilution can anyone suggest a easy procedure ?
- JoHN_95
- Post #496
- May 8, 2014
- Forum: A-Levels

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