Chemistry Topic Questions
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We found 297 questions associated with the 'Chemistry' topic. Displaying results 171 - 180.
Would Microbiology-Biotechnology-chemistry combination be a good course in B.sc after 12th BIpc?
Posted 3+ months ago | 1 answers | 
| Open
Related topics: course, chemistry, good, microbiology, biotechnology
I had to go for jabs during a test and I only got 2 questions done as I was so nervous. What to do?
About 2 weeks ago I had a chemistry test which I actually revised for but had to leave to go for jabs during. I got very worked up about the jab and ...
Posted 3+ months ago | 1 answers | | Open
Related topics: leave, week, chemistry, done, question, nervous, exam, worried, school
Chemistry Homework?
Yellow Zinc is a form of Brass with a composition of 34%-37% Copper. Is Yellow Zinc a compound or a solution? Explain. How much Zinc (grams) is in a ...
Posted 3+ months ago | 1 answers | | Open
Related topics: yellow, composition, copper, form, chemistry, homework, compound, solution
N 6.72 g of N2H4 (a) how many N2H4 molecules are present?
n 6.72 g of N2H4 (a) how many N2H4 molecules are present? (b) how many N atoms are present? (c) how many protons are present
Posted 3+ months ago | 0 answers | | Open
Chemistry - calculate mass 2*10^25 molecules of water?
Posted 3+ months ago | 1 answers | | Open
Does pH have any affect on cohesion of water?
Posted 3+ months ago | 1 answers | | Open
Related topics: water, chemistry, science, science fair
Have to make a water filter and find a way to filter chicken feces out of water using coal.. Help?
I can use other things such as sand, gravel, rocks.. Etc I'm making this out of a water bottle.
Posted 3+ months ago | 1 answers | | Open
Related topics: water, rock, filter, sand, chicken, gravel, bottle, coal, chickens, chemistry, biology
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