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Recent content by Bilal.khan

B
Mathematics: Post your doubts here!

Hey guys. Can someone please help me with this question I got the answer for the first part But the problem is i don't get why did they not calculate mg sinθ as resistive force in the second part although they used it in the first part of the question. The engine would also do work against...
- Bilal.khan
- Post #17,371
- Apr 10, 2016
- Forum: A-Levels
B
Chemistry: Post your doubts here!

Can someone please tell the names of the gasses and the reagents used for driying them... please
- Bilal.khan
- Post #13,996
- Jun 7, 2015
- Forum: A-Levels
B
Chemistry: Post your doubts here!

The question says that it is unreactive towards mild oxidising agents which mean it can not be a primary or a secondary alcohol as both can be oxidised . It has to be a tertiary alcohol which is only possible in D :)
- Bilal.khan
- Post #13,995
- Jun 7, 2015
- Forum: A-Levels
B
Chemistry: Post your doubts here!

the marking scheme says answer is c but how r there 3 geometric isomers???
- Bilal.khan
- Post #13,902
- Jun 5, 2015
- Forum: A-Levels
B
Chemistry: Post your doubts here!

how is the answer c... plz help :)
- Bilal.khan
- Post #13,901
- Jun 5, 2015
- Forum: A-Levels
B
Chemistry: Post your doubts here!

https://www.xtremepapers.com/community/threads/tips-for-chemistry-practicals-p3.11810/ :)
- Bilal.khan
- Post #13,414
- May 30, 2015
- Forum: A-Levels
B
Chemistry: Post your doubts here!

help plzz :)
- Bilal.khan
- Post #13,408
- May 30, 2015
- Forum: A-Levels

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