Reactivity of metals

Question 1

K
potassium

Answer 1

Above H
- Reacts very VIOLENTLY with COLD water
- not safe to experiment with steam
- explosive rxn with dilute acids ( not safe to carry out)

Question 2

Na
sodium

Answer 2

Above H
- Reacts VIOLENTLY with COLD water
- not safe to experiment with steam
- explosive rxn with dilute acids

Question 3

Ca
Calcium

Answer 3

Above H
- reacts READILY with COLD water
- not safe to experiment w steam
- reacts vigorously in dilute acid

Question 4

Mg
magnesium

Answer 4

Above H
- reacts VERY SLOWLY with COLD water
-hot magnesium reacts VIOLENTLY with STEAM

Question 5

Al
aluminium

Answer 5

above H
- reacts VERY SLOWLY with COLD WATER
- hot aluminium reacts READILY with STEAM
- reacts rapidly with dilute acid