Chapter 11- Equations Flashcards
1
Q
What are the signs that a chemical change is taking place?
A
- substance dissapears
- gas is given off
- colour change
- new odour
- light is given off
2
Q
What do acid and bases generally produce?
A
Salts and water
3
Q
What are acid and bases reactions also known as?
A
Neutralisation
4
Q
What does an acid and a metal give
A
Salt + hydroge
5
Q
What does an acid and a metal carbonate giev
A
salt + water + carbon dioxide
6
Q
What does an acid and a metal oxide give?
A
salt + water
7
Q
What does an acid + metal hydroxide give?
A
salt + water
8
Q
Define a combustion reaction
A
Burning of an organic compound in oxygen to produce carbon dioxide or carbon monoxide, as well as water and generating heat
9
Q
What does an hydrocarbon + oxygen (plentiful supply) give?
A
carbon dioxide + water
10
Q
What does an hydrocarbon + oxygen (limited supply) give?
A
Carbon monoxide + water
