Biology; Chemistry; Physics: Post your doubts here!

[temuman]

anyone hasanswers for this

 

[an04as]

can anyone share IGCSE read and write physics and chem topicals both paper?

again IGCSE read and write topicals not olvl.
Thanks in advance

 

[royalbest0411]

l need note biology 5090 and physics 5054 o level

 

[NEPaladin]

It's 14 yrs after the very first post..

 

[janesonn]

Lately I’ve been revisiting some core concepts in chemistry and physics — it’s wild how much clearer things get when you break them down simply. Like in physics, just thinking of forces as pushes and pulls really helps, and in chem, understanding how electrons behave makes so many reactions just click.

 

[Nocue_justme]

Re: Biology,Chemistry & Physics Help Available Here !

Need help. What is the chemical formula of potassium sulfate? is it K2SO4 or KSO2?

The first one is correct