C4- Chemical economics
quiz about chemical economics including:
Acid and bases
Reactions of acids
Relative formula mass
Calculating masses in reactions
Percentage yield
fertilisers
The haber process
Allotropes
water purity
- Created by: electra
- Created on: 13-04-11 19:07
Other questions in this quiz
2. acid+metal oxide-> salt+water
- True
- False
3. acid+carbonate-> salt+water+metal hydroxide
- False
- True
4. what does relative atomic mass mean?
- it means how heavy atoms are in a element
- it means that more than one atom has the same number so they are related
5. how do you calculate mass in a reaction?
- do you calculate all the Mr together so that you have a complete mass
- you write out the balanced equation, then work out the Mr just for the bits you wan, and then apply the rule:divide to get one, then multiply to get all
- do you just look at the Ar
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