I was thinking that too but then i thought it was hard to observe since rats look like they have raised hairs? idk gonna have to depend on how harsh they mark it.... apparently you were supposed to say rat curls up into a ball to reduce SA
So I'm getting mixed comments on drawing detergents and I was wondering what's the easiest version to remember that is legit.
I got this from the success book
Not sure if we're allowed to use that circle with the charge in it but I need confirmation and this goes the same with drawing soap...
its mostly multiple choice but sometimes they do ask in section II. not much usually 1-2 marks or 3 at the most. Just know what it is, what it looks like as a diagram and know how it works at a basic level and youll be fine. Learn at least 2 because they asked for 2 once.
Does that also mean that the equation:
Zn + 2Mn4+ + 4O2- + 2H+ ---> Zn2+ + 2Mn3+ + 3O2- + H2O
is also wrong? I just happened to have ahmad shah's notes in front of me and just quickly checked. He didnt mention the NH4+ but got rid of it. Oh and he broke everything up into its ions. Good or...
Industrial Chem is the most common and the easiest imo. I covered the first 3 dotpoints in one sitting since its mostly equilibrium. Shipwrecks is all redox and that confuses the hell out of me. Im not sure about the other options but i would choose industrial. Sadly im shiprekted :(
you could say all equipment used should be autoclaved (sterilised) and that the petri dishes should be disposed off in the correct manner (biohazard bag).