How is pure copper extracted froms it ore?
.
GF
Related Chemistry GCSE answers
All answers ▸How do you calculate the relative formula mass of a compound?
Bromine has an atomic number of 35 but has two stable isotopes- bromine-79 and bromine-81. Given that 51% of bromine atoms are bromine-79 and 49% are bromine-81%, work out the relative atomic mass of bromine to the nearest whole number.
Write a balanced chemical symbol equation for a reaction between Potassium and Water, including state symbols?
Give an advantage of hard water.