Chemical Reactions Flashcards
1
Q
What colour is an alkaline on the universal indicator?
A
Purple
2
Q
What colour is an acid on the universal indicator?
A
Red
3
Q
What happens with magnesium oxide + fire
A
A bright light
4
Q
What equals a metal + a acid?
A
= salt + hydrogen
5
Q
What is metal oxide + acid?
A
= a salt + water (H2O)
6
Q
What is metal hydroxide + acid?
A
= a salt + water
7
Q
What is metal carbonate + acid?
A
= a salt + water + carbon dioxide
8
Q
Magnesium oxide + hydrochloric?
A
= magnesium chloride + water
9
Q
What are the 3 acids
A
Hydrochloric
Sulphuric
Nitric
10
Q
When hydrochloric reacts what happens?
A
= chloride
11
Q
When sulphuric reacts what happens?
A
= sulphate
12
Q
When Nitric reacts what happens?
A
= nitrate
13
Q
Metal + oxygen=
A
Metal oxide
14
Q
What is heavier than air?
A
Carbon dioxide
15
Q
What is the test for oxygen?
A
Relight a glowing splint
