C1 Revision Quiz

A quiz about the important parts of C1.

  • Created by: Ellie
  • Created on: 24-05-11 15:45
What is the chemical name of baking powder?
Sodium Hydrogencarbonate
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What are some examples of carbohydrates?
Potatoes and flour
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What happens to proteins when they are heated?
They denature
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What is the equation for baking powder being heated?
sodium hydrogencarbonate = sodium carbonate + water + carbon dioxide
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How do you test for carbon dioxide?
Bubble it through lime water - it should turn milky white
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Why do we put additives in food?
it enhances flavour and stops food from reacting with oxygen
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What is intelligent packaging?
it uses sensors to monitor quality of food
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What is active packaging?
to reduce the need for anti-oxidants by taking in oxygen
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What are some examples of emulsions?
paints, milk, mayonaise
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What is an example of an emulsifier?
Egg yolk
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How do you make an ester?
alcohol + acid = ester + water
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Define a solution:
a solute + a solvent that will not seperate
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Why should cosmetics be tested?
So that they don't harm humans
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How can we seperate crude oil?
A restraining order
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What are the problems with oil production?
Political and environmental problems
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What is cracking?
turning large alkane molecules into smaller alkane and alkene molecules
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Define polymerisation:
process where many monomers react to give a polymer
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Define addition polymerisation:
reaction of many monomers of the same type that have double bonds to form a polymer with single bonds
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What is an unsaturated compound?
copntains at least one double bond between carbon atoms
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What is a hydrocarbon?
a compound of carbon and hydrogen atoms ONLY
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What does burning coal produce?
Sulfur dioxide
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What does sulfur dioxide cause?
Acid rain
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When burning a fuel, a blue flame would suggest...
complete combustion
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Define an exothermic reaction..
A reaction that gives out heat to surroundings
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Other cards in this set

Card 2

Front

What are some examples of carbohydrates?

Back

Potatoes and flour

Card 3

Front

What happens to proteins when they are heated?

Back

Preview of the front of card 3

Card 4

Front

What is the equation for baking powder being heated?

Back

Preview of the front of card 4

Card 5

Front

How do you test for carbon dioxide?

Back

Preview of the front of card 5
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sajidarahman

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This helped a lot! :)

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