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Define the octane number of a fuel.
(2013)
What is meant by chemical equilibrium? Why is a chemical equilibrium described as dynamic?
Distinguish between intramolecular bonding and intermolecular forces.
The following redox reaction is highly exothermic and is used to produce molten iron for welding pieces of steel together, e.g. sections of railway track
Caesium–137 is a radioactive isotope of the alkali metal caesium. Caesium–137 was released into the atmosphere when Japanese nuclear reactors were damaged by a tsunami in 2011
