Chemical reactions Flashcards
1
Q
Reactions
A
A chemical reaction is a process during which one set of chemical materials changes into a new set of chemical materials.
In chemistry the ingredients are called reactants which form one or more products.
The transition of the reactants to the products is indicated with an arrow.
2
Q
Word equation of chemical reaction
A
Carbon + oxygen → Carbon dioxide
Reactants Products
3
Q
Chemical equation of chemical reaction
A
C + O → CO2
4
Q
A chemical reaction
A
- Leads to chemical change;
- New material or materials are formed;
- Properties of products differ from those of the reactants.
5
Q
Indigenous knowledge systems
A
Useful chemical reactions:
• Yeast to make baked goods rise;
• Fermentation of grapes to make wine;
• Brewing beer
6
Q
Careers
A
Careers in organic and inorganic chemistry: • Mining • Engineering • Material development • Chemical analysis • Bio-fuel industry