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what is an exothermic reaction and give examples and uses
what is an endothermic reaction and give examples and uses
Write the equation for the reversible reaction of hydrated copper sulfate to anhydrous copper sulfate indicating which directions are endo and exothermic and the colour change involved
Soluble salts can be made by reacting acids with what 3 things ?
Describe how nsoluble salts can be made
Give an important use of a precipitation reaction
State 2 things that are bases.
State something that is an alkalis.
Describe what happens when you dissolve ammonia in water and give the importance of this
State which ions make something acid and which make it alkaline
what is the pH scale ?
Describe neutralisation in terms of the ions involved
Give the equations for making the following soluble salts from soluble bases (alkalis) :
sodium chloride from NaOH(aq) + HCl(aq)
sodium sulphate from 2NaOH(aq) + H2SO4(aq)
potassium sulphate from 2KOH(aq) + H2SO4(aq)
Give the equations for making the following soluble salts from soluble bases (alkalis) :
sodium nitrate from NaOH(aq) + HNO3(aq)
ammonium nitrate from NH3(aq) +HNO3(aq)
What is the general word equation for the reaction of an acid with a metal
What is the general word equation for the reaction of an acid with an alkali or base
What is the general word equation for the reaction of an acid with a metal carbonate
