A weak acid is pH ___ to ____
4 to 6
A solution turns blue litmus paper red and red litmus paper stays red it is an...
If an acid is added to an alkali the pH will go _____
pH 8-14 are all...
A solution turns red litmus paper blue and blue litmus paper stays blue it is an...
A strong acid is pH ___ to ___
the colour chart used to tell us what the colour of universal indicator mean is called the...
HIGHER: How do we name a salt that is produced in a neutralisation reaction.
ethanoic acid + sodium hydroxide --> _______ + water
ethanoic acid + sodium hydroxide --> ______ + water
Salt name is made from 2 words.
First word is the metal.
Second word is part of the acid name with ate at the end.
The reaction between an acid and an alkali is called a...
pH 7 is...
What is the equation for reacting an acid with an alkali?
Acid + Alkali --> Salt + Water
A strong alkali is pH ____ to ___
Red litmus paper stays red and blue litmus paper stays blue. The solution is ...
Why is universal indicator more useful than litmus paper?
It tells us the strength of an acid or alkali.
pH 1-6 are...
If an alkali is added to an acid the pH will go _____
Strong acids an alkalis can chemically burn the skin. We say that they are...
Salts always end in which 3 letters?
e.g. copper sulfate
A weak alkali is pH ___ to ____
8 to 10
Name 2 indicators that can be used to identify acids and alkalis.
How can an acid spill be disposed of?
Add an alkali to neutralise it into water and a salt.
Put sand on it and clear the sand.
Have a chemical disposal company deal with it.