Acids and Alkalis
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What pH can an alkali be
8-14
What pH can an acid be
1-6
What pH is neutral
7
What do you use to find out the pH of a chemical
An Indicator
How many types of indicator are there
4
What are all the types of indicator
universal indicators, natural indicators, litmus paper and pH metres
What colour would the universal indicator turn in water
Green Water is neutral and it turns green in water
What colour would the litmus paper turn if you put it in an acid
Red
If the litmus paper is blue what type of chemical is it in
An Alkali
What is produced after something is neutralised
Water and Salt
Is vinegar an acid or alkali
Acid
What colour would the universal indicator turn in hydrochloric acid
Red Hydrochloric acid is a strong acid so the univeral indicator turns red
What does an indicator do
Lets you know if a chemical is an acid or an alkali (some can tell you the pH)