A Level Chemistry Paper 2 Exam with Questions and Answers – 100% Solved
A ketone - ✔✔✔-Fehlings solution stays blue when warmed with...
Activation energy - ✔✔✔-The minimum amount of energy a particle requires for a reaction to
take place
Aldehyde not ketone - ✔✔✔-Produces a silver mirror when warmed with tolled reagent
Alkanes - ✔✔✔-Saturated hydrocarbons
Alkenes - ✔✔✔-Unsaturated hydrocarbons
An aldehyde - ✔✔✔-Turns fehlings solution from blue to red when warmed with...
Bent/ v shaped - ✔✔✔-2 lone pairs, 2 bonding pairs, 104.5 bond angle
Biofuel - ✔✔✔-Fuel that's made from biological material that's recently died
Calcium oxide or carbonate - ✔✔✔-Used to neutralise sulphur dioxide in flue gases
Calcium Sulfate - ✔✔✔-The salt made when calcium carbonate/oxide reacts with sulphur
dioxide
Carbonate - ✔✔✔-Produce CO2 when hydrochloric acid added
Catalyst - ✔✔✔-A substance that increases the rate reaction without being chemically changed
or used up in the process
, A Level Chemistry Paper 2 Exam with Questions and Answers – 100% Solved
Catalyst for ethanol steam hydration production - ✔✔✔-Phosphoric acid catalyst
Catalytic cracking - ✔✔✔-Form of cracking that takes place at high temperature and slight
pressure with a zeolite catalyst.
Collision theory - ✔✔✔-For a reaction to take place particles have to collide with the right
orientation and sufficient energy
Conditions for fermentation of glucose - ✔✔✔-Yeast anaerobic conditions, 30-40 degrees c
Conditions for steam hydration ethanol production - ✔✔✔-Hydration of ethene by steam at 300
degrees, pressure 60atm
Dative covalent bond - ✔✔✔-A bond of shared electrons where both electrons are supplied
from one of the atoms
Electronegativity - ✔✔✔-The power of an atom to attract the pair of electrons in a covalent
bond
Electrophiles - ✔✔✔-Electron pair acceptors, attracted to electrons e.g H+
Enthalpy change - ✔✔✔-The overall temperature change at a constant pressure of a reaction
Fingerprint region - ✔✔✔-Part of an infrared spectrum unique to that particular compound
Fossil fuels used for machinery for transport, harvesting - ✔✔✔-Reason why bioethanol is not
fully carbon neutral
A ketone - ✔✔✔-Fehlings solution stays blue when warmed with...
Activation energy - ✔✔✔-The minimum amount of energy a particle requires for a reaction to
take place
Aldehyde not ketone - ✔✔✔-Produces a silver mirror when warmed with tolled reagent
Alkanes - ✔✔✔-Saturated hydrocarbons
Alkenes - ✔✔✔-Unsaturated hydrocarbons
An aldehyde - ✔✔✔-Turns fehlings solution from blue to red when warmed with...
Bent/ v shaped - ✔✔✔-2 lone pairs, 2 bonding pairs, 104.5 bond angle
Biofuel - ✔✔✔-Fuel that's made from biological material that's recently died
Calcium oxide or carbonate - ✔✔✔-Used to neutralise sulphur dioxide in flue gases
Calcium Sulfate - ✔✔✔-The salt made when calcium carbonate/oxide reacts with sulphur
dioxide
Carbonate - ✔✔✔-Produce CO2 when hydrochloric acid added
Catalyst - ✔✔✔-A substance that increases the rate reaction without being chemically changed
or used up in the process
, A Level Chemistry Paper 2 Exam with Questions and Answers – 100% Solved
Catalyst for ethanol steam hydration production - ✔✔✔-Phosphoric acid catalyst
Catalytic cracking - ✔✔✔-Form of cracking that takes place at high temperature and slight
pressure with a zeolite catalyst.
Collision theory - ✔✔✔-For a reaction to take place particles have to collide with the right
orientation and sufficient energy
Conditions for fermentation of glucose - ✔✔✔-Yeast anaerobic conditions, 30-40 degrees c
Conditions for steam hydration ethanol production - ✔✔✔-Hydration of ethene by steam at 300
degrees, pressure 60atm
Dative covalent bond - ✔✔✔-A bond of shared electrons where both electrons are supplied
from one of the atoms
Electronegativity - ✔✔✔-The power of an atom to attract the pair of electrons in a covalent
bond
Electrophiles - ✔✔✔-Electron pair acceptors, attracted to electrons e.g H+
Enthalpy change - ✔✔✔-The overall temperature change at a constant pressure of a reaction
Fingerprint region - ✔✔✔-Part of an infrared spectrum unique to that particular compound
Fossil fuels used for machinery for transport, harvesting - ✔✔✔-Reason why bioethanol is not
fully carbon neutral
