help needed regarding science practicals

[fatimarehman]

I want help regarding chemistry and biology practicals because we have not performed so much practicals due to late lab construction in our school and I want to give as level. I want tips regarding it and is there any course book that can help me. Please reply soon. Thanks in advance.

 

[3abder7man]

https://www.xtremepapers.com/community/threads/biology-practical-notes.4718/

 

[The Sarcastic Retard]

I want help regarding chemistry and biology practicals because we have not performed so much practicals due to late lab construction in our school and I want to give as level. I want tips regarding it and is there any course book that can help me. Please reply soon. Thanks in advance.

I am not a Biology student, but you can find in the above post. For chemistry, you can find it here. If you are in taking variant "4" that is paper "34" then you can look for tips here. I have an attachment from a course book.
Good luck.

 

[fatimarehman]

Thanks a lot for notes but there was a practical about serial dilutions in biology for reducing sugars test. Please give me tips regarding it that how can we dilute a 0.8% of reducing sugar with different solutions and how much Benedict we must add. I performed this experiment in which i added 2 cm3 of water in 8 4 and 2 % of reducing sugar solution. I also added equal amounts of 2 cm3 of Benedict solution for standardization. In it we have to check how the dilution affect the color change. It took about 8 minutes to note for the first color change in 1 tube which had 8 % of reducing sugar solution my teacher said it should take maximum 3 min to note the color change please tell me what I would have made wrong in this experiment. Thanks

 

[The Sarcastic Retard]

Thanks a lot for notes but there was a practical about serial dilutions in biology for reducing sugars test. Please give me tips regarding it that how can we dilute a 0.8% of reducing sugar with different solutions and how much Benedict we must add. I performed this experiment in which i added 2 cm3 of water in 8 4 and 2 % of reducing sugar solution. I also added equal amounts of 2 cm3 of Benedict solution for standardization. In it we have to check how the dilution affect the color change. It took about 8 minutes to note for the first color change in 1 tube which had 8 % of reducing sugar solution my teacher said it should take maximum 3 min to note the color change please tell me what I would have made wrong in this experiment. Thanks

I am not a biology student. Go and post this question here.