What pH value would a strong acid be?
0-3
What would the pH value for an acid be?
Less than 7
What colour would a neutral solution turn if universal indicator was added?
Green
What pH value would a weak alkali be?
8-10
Beryllium Hydroxide + Nitric Acid -> ??
Beryllium Nitrate + Water
name 1 advantage of universal indicator over litmus indicator
it can tell you the strength of the pH / solution
what does filtration separate?
insoluble solid and a liquid
In a neutralisation reaction, an acid reacts with an alkali, what are the two products?
Salt and Water
Why are indicators useful?
They change different colours at different pH levels
What does this hazard symbol mean?
Corrosive
Acid + Alkali --> ? + ?
salt + water
what is crystallisation?
process of boiling a solution to create salt crystals
What pH value would a weak acid be?
4-6
Lithium Hydroxide + Hydrochloric Acid -> ??
Lithium Chloride + Water
What pH value would a strong alkali be?
11-14
What would the pH value for an alkali be?
More than 7
what colour does litmus indicator turn in alkali?
blue
what colour does litmus indicator turn in acid?
red