chemistry

Questions and Answers

How does a T-helper cell know which micro-organism (bacteria, virus, allergen) it is after binding with the MHC complex of an antigen-presenting cell?

Questions and Answers

At what temperature do PET jars melt?

Questions and Answers

What applications does dihydrogen sulfide have?

Questions and Answers

If you open a bottle of sparkling water and pour some out, how will the sparkling stay in?

Questions and Answers

Can I use bleach to clean a bottle (with raw milk residue)?

Questions and Answers

How come the plastic of the kettle doesn’t melt?

Questions and Answers

Is it true that butyric acid is a dangerous acid?

Questions and Answers

What can salt be used for in industry?