Flashcards
Oxygen and Burning
Flashcards do conjunto (8)
- 1What does amphoteric mean?It means an oxide can react either as an acid or as a base
- 2What type of solution is formed when a metal oxide is dissolved in water?An alkaline solution
- 3What type of solution is formed when a non-metal oxide is dissolved in water?An acidic solution
- 4When magnesium burns with oxygen: i-what is the colour of the flame ii-what does the product look like iii-is it alkaline or base when dissolved in wateri-bright white flame
ii-white powder
iii-slightly alkaline - 5When carbon is burnt in air i-what is the colour of the flame ii-what does the product look like iii-is it alkaline or base when dissolved in wateri-orange-yellow flame
ii-carbon dioxide gas
iii-slightly acidic - 6When sulfur is burnt in air i-what is the colour of the flame ii-what does the product look like iii-is it alkaline or base when dissolved in wateri-pale blue
ii-sulfur dioxide gas
iii-acidic - 7When sodium is burnt in air i-what is the colour of the flame ii-what does the product look like iii-is it alkaline or base when dissolved in wateri-bright yellow flame
ii-white solid; sodium oxide
iii-slightly alkaline - 8When iron is burnt in air i-what is the colour of the flame ii-what does the product look like iii-is it alkaline or base when dissolved in wateri-orange flame
ii-black powder
iii-does not dissolve in water
Informações
- Descrição
- AQA Certificate; to test the reactions of different elements burnt in air
- Criado por
- Jim Fellows
- Visualizações
- 44
- Tags
- Avaliação