Chemistry 1 acids and alkali Flashcards
1
Q
What are the colours of universal indicator
A
Red acidic
Green neutral
Purple alkaline
2
Q
What is an acid
A
Release hydrogen ions in water which make it acidic
3
Q
What is a alkaline
A
Subgroup of bases that dissolve in water the form hydroxide ions
4
Q
What is neuralisation
A
React an acid and a alkaline (base) together which will produce a salt and water
5
Q
What is the reaction for metal carbonate
A
Metal carbonate +acid =salt water carbon dioxide
6
Q
What is test for carbon dioxide
A
Bubbling gas through lime water if present limewater will turn cloudy
7
Q
Example of acids
A
Lemon juice
8
Q
Example of alkaline
A
Oven cleaner
9
Q
A
