INORGANIC AND PHYSICAL CHEMISTRY EDEXCEL IGCSE EXAM WITH (Q &A)

INORGANIC AND PHYSICAL
CHEMISTRY EDEXCEL IGCSE EXAM
WITH (Q &A)
How to do a flame test
- CORRECT ANSWER 1. Dip nichrome wire into hydrochloric acid
2. Dip into solid sample
3. Place in blue Bunsen flame and observe colour

Lithium flame test

- CORRECT ANSWER red

Sodium flame test
- CORRECT ANSWER yellow

Potassium flame test
- CORRECT ANSWER lilac

Calcium flame test
- CORRECT ANSWER orange-red

Copper flame test
- CORRECT ANSWER blue-green

Salt Solubility Rules (soluble salts)
- CORRECT ANSWER Sodium
Potassium
Ammonium
Nitrates
Chlorides (with the exception of silver and lead)
And
Sulphates (with the exception of barium calcium and lead)

insoluble salts
- CORRECT ANSWER Carbonates (except of sodium, potassium and ammonium)
Hydroxides (except sodium, potassium and calcium - calcium hydroxide is slightly
soluble)

Acid + metal hydroxide
- CORRECT ANSWER salt + water

Acid + metal oxide

, - CORRECT ANSWER salt + water

Acid + Metal
- CORRECT ANSWER salt + hydrogen

Acid + metal carbonate
- CORRECT ANSWER salt + carbon dioxide + water

Acid + ammonia
- CORRECT ANSWER ammonium salt

3 ways to prevent rusting
- CORRECT ANSWER galvanising, oiling, painting
Group 1 metals
- CORRECT ANSWER Lithium, sodium, potassium

Group 1 metals are
- CORRECT ANSWER alkali, soluble

Group 1 metal + water
- CORRECT ANSWER metal hydroxide + hydrogen

group 1 metal + oxygen
- CORRECT ANSWER metal oxide

Oxidation
- CORRECT ANSWER Gain of oxygen, loss of electrons

Reduction
- CORRECT ANSWER loss of oxygen, gain of electrons

redox reaction
- CORRECT ANSWER oxidation and reduction reaction

oxidizing agent
- CORRECT ANSWER oxidises something and is reduced

reducing agent
- CORRECT ANSWER reduces something and is oxidised

What does F look like?
- CORRECT ANSWER yellow gas

what does Cl look like?
- CORRECT ANSWER green gas