WorksheetsTriple Chemistry Paper 2
Total questions: 75
Worksheet time: 38mins
What is the definition for an isotope?
Same atomic number
Different atomic number
Same mass number
Different mass number
What is found in the nucleus of an atom?
Protons
Neutrons
Electrons
What does the mass number tell you about an atom?
The number of protons
The number of protons and electrons
The number of neutrons
The number of protons and neutrons
How does an ionic bond form?
Electrons are shared
Electrons are shared in pairs
Electrons are transferred
Electrons are delocalised
How does an covalent bond form?
Electrons are shared
Electrons are shared in pairs
Electrons are transferred
Electrons are delocalised
How many moles are in 1.2g of carbon-12?
1
14.4
0.1
10
Which of the following is the calculation for concentration
Mass x Volume
Volume / Mass
Mass / Volume
Volume x mass
Which of the following is the most reactive?
Lithium
Sodium
Potassium
Which of the following float on water?
Lithium
Sodium
Potassium
Which of the following burns with an orange flame?
Lithium
Sodium
Potassium
Why are the alkali metals more reactive down the group?
They have more electrons
They have more shells
They have a bigger nucleus
They have more neutrons
Which group are the halogens found in
1
0
7
Which halogen is the most reactive?
Fluorine
Chlorine
Bromine
Iodine
Complete the following equation:
Sodium Bromide + Chlorine -->
Sodium Chloride + Bromine
Sodium Chlorine + Bromide
Sodium Chloride + Water
Sodium Bromide + Hydrogen
Complete the following equation:
Sodium + Chlorine -->
Sodium Chlorine
Sodium Chloride + Water
Sodium Chlorine + water
Sodium Chloride
Complete the equation:
Sodium + Water
Sodium Oxide
Sodium Hydroxide
Water
Hydrogen
Which of the following are correct?
Neon is used in lights
Helium is used in lightbulbs
Argon is used in lightbulbs
Neon is used in airships
Describe the reactivity of the Noble gases.
Highly reactive
React with water
Inert
Low reactivity
What must happen in order for a chemical reaction to occur?
Must heat the reaction
Particles must vibrate
Particles must collide
Particle must have a lot of energy
Which halogen has the most shielding?
Fluorine
Chlorine
Bromine
Iodine
Which of these changes will increase the rate of reaction?
Decreasing the temperature
Increasing the pressure
Increasing the concentration
Making the solid into a powder
How does a catalyst increase the rate of reaction?
Makes more collisions
Gives the particles more energy
Decrease the activation energy
Increase the number of particles
What has happened to the reaction between 5 and 7 minutes
Steady Speed
The reaction has stopped
The rate is decreasing
The rate is increasing
What is the definition for an endothermic reaction?
Releases energy
Absorbs energy
Temperature increases
Temperature decreases
What is the definition for an exothermic reaction?
Releases energy
Absorbs energy
Temperature increases
Temperature decreases
When a reaction is endothermic the reactants have _________ energy than the products.
More
Less
The same
Bond breaking is an ____________ process.
Endothermic
Exothermic
If we are trying to find out if a reaction is endo or exothermic we need to know...
The temperature change
The start temperature
The end temperature
To calculate bond enthalpy you must calculate:
Total bonds broken x Total bonds formed
Total bonds broken + Total bonds formed
Total bonds formed - total bonds broken
Total bonds broken - total bonds formed
Which of these fractions is used for road surfaces
Petrol
Fuel Oil
Natural Gas
Bitumen
Which of these fractions is used as fuel in heaters and ovens
Petrol
Fuel Oil
Natural Gas
Bitumen
Which of the following statements is true about molecules in a homologous series?
They have the same chemical formula
They have the same structural formula
The have the same chemical properties
They have the same general formula
Which two state changes occur during fractional distillation?
Evaporation
Sublimation
Condensation
Melting
Which property is used to separate fractions using distillation?
Solubility
Melting point
Mass
Boiling point
Which of these gases are produced in car engines leading to acid rain?
Carbon dioxide
Methane
Nitrogen oxides
Carbon monoxide
What is present in crude oil which leads to the production of acid rain?
Sulphur impurities
Nitrogen impurities
Hydrocarbons
Methane
Which of these is an advantage of using hydrogen as a fuel source?
Difficult to store
Highly flammable
Very efficient
Low efficiency
Complete the equation for cracking:
C40H82 --> C18H36 + _____
C22H50
C18H38
C22H46
C22H40
What is the risks of using hydrogen as a fuel?
Difficult to store
Highly flammable
Does not contribute to global warming
Produces electrical energy
Which of these fractions are most likely to be cracked?
Gas
Petrol
Diesel
Fuel oil
The earth's early atmosphere was mainly...
Hydrogen and Ammonia
Carbon Dioxide and Oxygen
Carbon Dioxide and Water Vapour
Ammonia and methane
The earth's early atmosphere formed from...
Volcanic eruptions
Earthquakes
Tsunamis
The oceans
The earth's early atmosphere did not contain any...
Carbon Dioxide
Oxygen
Methane
Ammonia
What process adds oxygen to the atmosphere?
Respiration
Burning fossil fuels
Deforestation
Photosynthesis
Which of these stages led to the formation of the oceans?
Volcanic eruptions
Reduced volcanic activity
Plants evolving
Water vapour condensed
Which gas makes up most of the atmosphere today?
Nitrogen
Hydrogen
Oxygen
Argon
What % of oxygen is in our atmosphere today?
0.04
21
0.9
78
Which of these processes contribute to global warming?
Respiration
Cattle farming
Burning fossil fuels
Photosynthesis
What type of radiation is emitted by the earth?
Longwave radation
Short wave radiation
What colour would calcium go in the flame test?
Purple
Green
Yellow
Red
What colour would potassium go in the flame test?
Purple
Green
Yellow
Red
What colour would a bromide ion go when tested using silver nitrate and nitric acid?
White
Cream
Yellow
How do you distinguish between aluminium and calcium in the precipitate test?
Add excess sodium hydroxide
Add two drops of sodium hydroxide
Add excess hydrochloric acid
Heat
What can be added to a carbonate to produce carbon dioxide?
Any acid
Any alkali
Sulphuric acid
Sodium Hydroxide
What colour precipitate would be formed when a sulphate is present, if hydrochloric acid and barium chloride are added?
Colourless
White
Blue
Green
What is the formula of a hydroxide ion?
H+
H-
OH-
OH+
What is a hydrocarbon?
Made of hydrogen and carbon molecules
Made of hydrogen and carbon atoms
Made of water and carbon molecules
Made of hydrogen, carbon and oxygen
What is the general formula of an alkane
CnH2n
CnH2n+1OH
CnH2+1COOH
CnH2n+2
What is the general formula of an alcohol
CnH2n
CnH2n+1OH
CnH2+1COOH
CnH2n+2
Select the alkene
Select the carboxylic acid
How many carbons are in propanoic acid
1
2
3
4
How many carbons are in butene
1
2
3
4
What are the required conditions for fermentation?
Yeast catalyst
Aerobic
37-40oC
Acid catalyst
What are the disadvantages of fermentation?
Cheap and easy
Non-renewable
Produces carbon dioxide
Limited concentration of ethanol
What type of monomer is needed to form an addition polymer?
Alkane
Alkene
Alcohol
Carboxylic acid
What is meant by a polymer
A short chain molecule
A long chain molecule
A long chain molecule made of repeating units
A short chain molecule made of repeating units
What is found in a nucleotide?
DNA
Sugar
Phosphate
Base
Which two monomers are needed to make an ester?
Alkane
Alkene
Alcohol
Carboxylic acid
What is needed to make a polyester
Alcohol
Diol
Alkene
Dicarboxylic acid
What is always produced during condensation polymerisation?
Hydrogen
Oxygen
Carbon Dioxide
Water
What is a common use of esters?
Fragrances
Plastics
Glasswear
Chemical reactions
What is a nanoparticles
A single atom
A particles made up of no more than 10 atoms
A particle made up of around 100 atoms
A particles made up of 1000s of atoms
Which of these methods of polymer disposal does not directly release greenhouse gases?
Incineration
Recycling
Landfill
Which of these is a common use of nanoparticles?
Drug delivery
Suncream
Plastics
Fuel
