Across: |
| 1 |
Sugars are an example (12) |
|
6 |
Formula of the only common alkaline gas (3) |
|
8 |
Vinegar is a solution of this chemical (8,4) |
|
10 |
It means removing water from a compound (11) |
|
12 |
To break a compound down using heat-high temperature (7,13) |
|
13 |
The formula of sulphuric acid (5) |
|
14 |
This gas can be neutralised with acids to make nitrogenous
fertiliser salt compounds (7) |
|
15 |
This scale tells you how acid or alkaline a solution is (2) |
|
17 |
This gas turns limewater cloudy (white precipitate) (3) |
|
18 |
These crystalline compounds do not dissolve in water (9,4)
|
| 19 |
Man-made as in flavours (10) |
|
22 |
When an atom or compound gains oxygen (9) |
|
23 |
The acid that is used to make phosphate salts (10) |
|
26 |
The common 'old' name for the very strong alkali sodium hydroxide (7,4) |
|
27 |
Compounds of this metal give fireworks a bright yellow colour (6) |
|
30 |
To make a solution less concentrated (6) |
|
31 |
The kind of compound made from reacting an acid and a base that
dissolves in water (7,4) |
|
33 |
The X hazard warning symbol (7) |
|
35 |
The addition of water to a compound (9) |
|
37 |
The formula for sodium hydroxide (4) |
|
39 |
Spread on fields to make the soil more fertile (11) |
|
40 |
The kind of salts made by neutralising hydrochloric acid (9) |
|
41 |
The removal of oxygen from a compound (9) |
|
44 |
A descriptor for substances that easily catch fire! (9) |
|
45 |
A useful metal produced by reduction of CuO (6) |
