Term
| What is the general Formula for Alkenes? |
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Definition
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Term
| What does unsaturated mean? |
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Definition
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Term
| What does bromine water test for? |
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Definition
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Term
| If a molecule is unsaturated what will happen to the bromine?Why? |
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Definition
It will turn colourless from yellow/orange
The bromine added to the unsaturated alkene breaks the double bond to replace it with an alkene. |
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Term
| What is the general ending for an alkane? |
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Definition
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Term
| What is the general ending for an alkene? |
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Definition
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Term
| What are plastics made of? |
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Definition
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Term
| What are polymers made of? |
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Definition
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Term
| Is a monomer unsaturated? |
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Definition
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Term
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Definition
| Yes, as the double bond breaks when monomers are joined together. |
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Term
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Definition
| A small reactive molecule which joins with others to make a polymer. |
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Term
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Definition
| They are long chain molecules that grab onto water molecules. |
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Term
| What is the name of the polymer made from propene? |
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Definition
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Term
| What is the word equation for photosynthesis? |
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Definition
| Carboon dioxide+Water =Glucose+oxygen |
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Term
| Are oil and water miscible? |
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Definition
| No, they are immiscible as oil does not dissolve in water. |
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Term
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Definition
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Term
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Definition
| A suspension of two immiscible liquids. |
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Term
| How is oil from plants extracted? |
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Definition
| Distillation or by pressing |
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Term
| Why is steam distillation used? |
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Definition
| Because it does not raise the temperature too much |
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Term
| Why are vegetable oils important in our diets? |
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Definition
| Because they contain lots of energy |
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Term
| Why are unsaturated fats better for our body? |
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Definition
| They do not contain as much cholesterol as saturated fats |
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Term
| What is a polymerisation reaction? |
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Definition
| When monomers join together to make polymers. |
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Term
| What do emulsions have to make the liquids stay together? |
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Definition
| A hydrophilic (water loving) and a hydrophobic (water hating end) |
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Term
| What is the balanced formula for photosynthesis? |
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Definition
| 6(CO2)+ 6(H2O) = C6H12O6 +6(O2) |
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