Neutralisation Flashcards
Salt of hydrochloride acid
Chloride
Salt of sulphuric acid
Sulfate
Salt of nitric acid
Nitrate
Acid + metal—->___________+___________
Salt + hydrogen
Acid + Alkali—->___________+____________
Salt+ water
Acid+ base—>_____________+_____________
Salt + water
Acid+ metal carbonate—->___________+__________+__________
Salt + water + carbon dioxide
Define neutralisation
When an acid reacts with an alkali to form a salt and water
What colour is universal indicator in acid
Red
What colour is universal indicator in alkali
Purple
What colour is universal indicator in a neutral solution
Green
What colour is Phenolphthalein in acid
Colourless
What colour is Phenolphthalein in alkalis
Purple
How do you cure a bee sting an why does it work
Baking powder (alkali neutralises the acid
How do you cure a wasp sting and how does it work
Vinegar (acid neutralises the alkali)
What is a neutralisation reaction
where an acid reacts with an alkali to produce a neutral solution of a salt and water
Is sodium hydroxide a base or an alkali
Both
Is calcium oxide a base or an alkali
Base
Is magnesium hydroxide a base or an alkali
Both
Is lithium oxide a base or an alkali
Base
Is copper oxide a base or an alkali
Base
What is an acid
In many foods and drinks, can destroy skin and metals. PH less than 7. Irritant.
What is an alkali
A soluble base, PH more than 7, a base that will dissolve in water
What is a base
Neutralises acids, insoluble substance, reacts with acids causing a neutralisation. Are metal oxides and metal hydroxides.
