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This is a quiz on the topics covered in gcse OCR gateway.

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C1 B1 & P1 Test

Question 1 of 45

1

Emulsifiers help water and oil mix.

Select one of the following:

  • True
  • False

Explanation

Question 2 of 45

1

The hydrophilic end of each emulsifier molecule bonds to .......

Select one of the following:

  • Water molecules

  • Oil molecules

Explanation

Question 3 of 45

1

Ice cream is a food that contains an emulsifier.

Select one of the following:

  • True
  • False

Explanation

Question 4 of 45

1

What do protein molecules do when they have been cooked?

Select one of the following:

  • Shrink

  • Expand

  • Change shape

Explanation

Question 5 of 45

1

What happens when you cook a Potatoes?

Select one or more of the following:

  • The inside becomes soft and that makes the potatoes fluffy.

  • The cell walls break down making the starch cells swell up and spread out.

Explanation

Question 6 of 45

1

What chemical reaction does baking powder undergo when heated?

Select one of the following:

  • Incomplete combustion

  • Thermal decomposition

Explanation

Question 7 of 45

1

What is the word equation for sodium hydrogen carbonate thermal decomposition?

Select one of the following:

  • Sodium hydrogencarbonate - sodium carbonate + carbon dioxide + water

  • Sodium hydrogen carbonate - sodium carbonate + oxygen + water

Explanation

Question 8 of 45

1

Baking powder is used in baking cakes, the carbon dioxide produced makes the cakes rise.

Select one of the following:

  • True
  • False

Explanation

Question 9 of 45

1

Carbon dioxide can be detected using .....

Select one or more of the following:

  • Bromine water

  • Limewater

Explanation

Question 10 of 45

1

Limewater turns cloudy when what is detected.....

Select one of the following:

  • Oxygen

  • Carbon dioxide

Explanation

Question 11 of 45

1

The word equation for making esters is:
Acid + alcohol - ester + water

Select one of the following:

  • True
  • False

Explanation

Question 12 of 45

1

Identify the properties that perfumes need.

Select one or more of the following:

  • Non toxic

  • Soluble in water

  • Easily evaporates

  • Flavourings

  • Insoluble in water

  • Doesn't react with water

  • Doesn't irritate the skin

Explanation

Question 13 of 45

1

Polymers are short chains of molecules.

Select one of the following:

  • True
  • False

Explanation

Question 14 of 45

1

Polymers are made by heating a catalyst and the double bond of small monomers breaks open and is able to join with another monomer.

Select one of the following:

  • True
  • False

Explanation

Question 15 of 45

1

What is the reaction of making polymers called?

Select one of the following:

  • Polymerisation

  • Carbon based polymer

Explanation

Question 16 of 45

1

What is gore-tex?

Select one of the following:

  • A breathable fabric that allows water to evaporate but doesn't let any water in.

  • A stretchy fabric used to make clothes.

Explanation

Question 17 of 45

1

Most polymers aren't biodegradable, why is this a problem?

Select one of the following:

  • They aren't broken down by micro organisms so they don't rot.

  • Water ruins it.

Explanation

Question 18 of 45

1

Why do we cook food?

Select one or more of the following:

  • Change taste, change texture, kill bacteria, easier to digest.

  • Smells nicer, tastes nicer, kill bacteria.

Explanation

Question 19 of 45

1

What statements are correct about Alkanes.

Select one or more of the following:

  • 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.

Explanation

Question 20 of 45

1

What is fractional distillation used for?

Select one of the following:

  • Separating crude oil.

  • Preparing crude oil.

Explanation

Question 21 of 45

1

Is this the equation for incomplete combustion of a hydrocarbon?
Hydrocarbon + oxygen - carbon dioxide + water + carbon monoxide + acid

Select one of the following:

  • True
  • False

Explanation

Question 22 of 45

1

How do you calculate energy?

Select one of the following:

  • Mass x specific heat x temp = mcT

  • Weight x heat x volume = mcT

Explanation

Question 23 of 45

1

What is exothermic?

Select one of the following:

  • Heat given out.

  • Heat taken in.

Explanation

Question 24 of 45

1

What is endothermic?

Select one of the following:

  • Heat given out.

  • Heat taken in.

Explanation

Question 25 of 45

1

Flavour enhances are a type of emulsifier.

Select one of the following:

  • True
  • False

Explanation

Question 26 of 45

1

What are the environmental problems with oil?

Select one or more of the following:

  • Oils spills.

  • Wars.

  • Acid rain.

  • Global warming.

  • Extinction.

Explanation

Question 27 of 45

1

Political problems with oil are .....

Select one or more of the following:

  • Wars over pipelines.

  • Global warming.

  • Rise In oil prices.

Explanation

Question 28 of 45

1

You need heat and a catalyst to be able to perform cracking.

Select one of the following:

  • True
  • False

Explanation

Question 29 of 45

1

What is cracking?

Select one of the following:

  • The splitting up of long chain hydrocarbons.

  • Another name for fractional distillation.

Explanation

Question 30 of 45

1

Double covalent bonds Make up what kind of polymer?

Select one of the following:

  • Addition polymer

  • Polymerisation.

Explanation

Question 31 of 45

1

What is crude oil formed from?

Select one of the following:

  • The buried remains of plants and animals.

  • Buried rocks in the ocean.

Explanation

Question 32 of 45

1

What does cracking do?

Select one of the following:

  • Helps match supply to demand.

  • Makes more crude oil.

Explanation

Question 33 of 45

1

The word equation for complete combustion of any hydrocarbon is ....
Hydrocarbon + oxygen - carbon dioxide + water

Select one of the following:

  • True
  • False

Explanation

Question 34 of 45

1

What is the definition of health?

Select one of the following:

  • A state of physical, social and mental well-being.

  • Being free from infection and disease.

Explanation

Question 35 of 45

1

What is the definition of Fit?

Select one of the following:

  • A measure of how well you can perform a physical task.

  • The same as health.

Explanation

Question 36 of 45

1

How do you measure fitness?

Select one or more of the following:

  • Strength

  • Stamina

  • Agility

  • Flexibility

  • Speed

  • Blood pressure

  • Age

Explanation

Question 37 of 45

1

Systolic pressure is when blood pressure is at its highest when the heart contracts.

Select one of the following:

  • True
  • False

Explanation

Question 38 of 45

1

What is blood pressure measured in?

Select one of the following:

  • mm of mercury

  • Cm

Explanation

Question 39 of 45

1

What can increase your blood pressure?

Select one or more of the following:

  • Smoking

  • Being overweight

  • Too much alcohol

  • Constant stress

  • Age

  • Unhealthy diet

Explanation

Question 40 of 45

1

What can health problems can high blood pressure lead to?

Select one or more of the following:

  • Strokes

  • Kidney damage

  • Brain damage

  • Lung damage

Explanation

Question 41 of 45

1

Kwashiorkor is caused by eating too little protein.

Select one of the following:

  • True
  • False

Explanation

Question 42 of 45

1

You calculate BMI using the following formulae:
BMI = body mass
(Height)2

Select one of the following:

  • True
  • False

Explanation

Question 43 of 45

1

Types of pathogens:

Select one or more of the following:

  • Fungi

  • Flu

  • Bacteria

  • Viruses

Explanation

Question 44 of 45

1

A malignant tumour is where the tumour grows and can spread to other sites in the body.

Select one of the following:

  • True
  • False

Explanation

Question 45 of 45

1

Types of drugs:

Select one or more of the following:

  • Depressants

  • Stimulants

  • Coffee

  • Painkillers

  • Performance enhancers

  • Hallucinogens

Explanation

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