Question 1
Question
Emulsifiers help water and oil mix.
Question 2
Question
The hydrophilic end of each emulsifier molecule bonds to .......
Answer
-
Water molecules
-
Oil molecules
Question 3
Question
Ice cream is a food that contains an emulsifier.
Question 4
Question
What do protein molecules do when they have been cooked?
Answer
-
Shrink
-
Expand
-
Change shape
Question 5
Question
What happens when you cook a Potatoes?
Question 6
Question
What chemical reaction does baking powder undergo when heated?
Answer
-
Incomplete combustion
-
Thermal decomposition
Question 7
Question
What is the word equation for sodium hydrogen carbonate thermal decomposition?
Question 8
Question
Baking powder is used in baking cakes, the carbon dioxide produced makes the cakes rise.
Question 9
Question
Carbon dioxide can be detected using .....
Question 10
Question
Limewater turns cloudy when what is detected.....
Question 11
Question
The word equation for making esters is:
Acid + alcohol - ester + water
Question 12
Question
Identify the properties that perfumes need.
Question 13
Question
Polymers are short chains of molecules.
Question 14
Question
Polymers are made by heating a catalyst and the double bond of small monomers breaks open and is able to join with another monomer.
Question 15
Question
What is the reaction of making polymers called?
Answer
-
Polymerisation
-
Carbon based polymer
Question 16
Question
What is gore-tex?
Question 17
Question
Most polymers aren't biodegradable, why is this a problem?
Question 18
Question
Why do we cook food?
Answer
-
Change taste, change texture, kill bacteria, easier to digest.
-
Smells nicer, tastes nicer, kill bacteria.
Question 19
Question
What statements are correct about Alkanes.
Answer
-
They are made from only hydrogen and carbon atoms.
-
All Alkanes have single bonds.
-
Alkanes are unsaturated compounds.
-
Alkanes have double bonds.
-
Alkanes are saturated compounds.
Question 20
Question
What is fractional distillation used for?
Answer
-
Separating crude oil.
-
Preparing crude oil.
Question 21
Question
Is this the equation for incomplete combustion of a hydrocarbon?
Hydrocarbon + oxygen - carbon dioxide + water + carbon monoxide + acid
Question 22
Question
How do you calculate energy?
Question 23
Question
What is exothermic?
Answer
-
Heat given out.
-
Heat taken in.
Question 24
Question
What is endothermic?
Answer
-
Heat given out.
-
Heat taken in.
Question 25
Question
Flavour enhances are a type of emulsifier.
Question 26
Question
What are the environmental problems with oil?
Answer
-
Oils spills.
-
Wars.
-
Acid rain.
-
Global warming.
-
Extinction.
Question 27
Question
Political problems with oil are .....
Answer
-
Wars over pipelines.
-
Global warming.
-
Rise In oil prices.
Question 28
Question
You need heat and a catalyst to be able to perform cracking.
Question 29
Question
What is cracking?
Question 30
Question
Double covalent bonds Make up what kind of polymer?
Answer
-
Addition polymer
-
Polymerisation.
Question 31
Question
What is crude oil formed from?
Question 32
Question
What does cracking do?
Question 33
Question
The word equation for complete combustion of any hydrocarbon is ....
Hydrocarbon + oxygen - carbon dioxide + water
Question 34
Question
What is the definition of health?
Question 35
Question
What is the definition of Fit?
Question 36
Question
How do you measure fitness?
Answer
-
Strength
-
Stamina
-
Agility
-
Flexibility
-
Speed
-
Blood pressure
-
Age
Question 37
Question
Systolic pressure is when blood pressure is at its highest when the heart contracts.
Question 38
Question
What is blood pressure measured in?
Question 39
Question
What can increase your blood pressure?
Answer
-
Smoking
-
Being overweight
-
Too much alcohol
-
Constant stress
-
Age
-
Unhealthy diet
Question 40
Question
What can health problems can high blood pressure lead to?
Answer
-
Strokes
-
Kidney damage
-
Brain damage
-
Lung damage
Question 41
Question
Kwashiorkor is caused by eating too little protein.
Question 42
Question
You calculate BMI using the following formulae:
BMI = body mass
(Height)2
Question 43
Question
Types of pathogens:
Answer
-
Fungi
-
Flu
-
Bacteria
-
Viruses
Question 44
Question
A malignant tumour is where the tumour grows and can spread to other sites in the body.
Question 45
Answer
-
Depressants
-
Stimulants
-
Coffee
-
Painkillers
-
Performance enhancers
-
Hallucinogens