Chemical reactions Flashcards
1
Q
What is a displacement reaction?
A
It is when a less reactive metal is displaced from its compound by a more reactive metal
2
Q
Where does fermentation take place?
A
It takes place in plants and microorganisms
3
Q
What is an endothermic reaction?
A
An endothermic reaction is a chemical or physical process that takes in heat from its surroundings, making them colder
4
Q
What is an exothermic reaction?
A
A chemical or physical process that releases heat into its surroundings making itself cooler
5
Q
Name a sign that means a chemical reaction is taking place
A
A colour change, A gas being given off, A solid forming in liquid, An energy change, A change of temperature
6
Q
What is the word equation for photosynthesis
A
Carbon dioxide + water + (light energy)glucose + oxygen gas
