Q1. Arrange the following stages involved in producing electricity.
The steam turns the turbines.
The electricity is generated and fed to the national grid.
Fuel is burnt and heats the tanks of water.
The turbines turn the generators
The water changes to high pressure steam
Q2. COMPARE AND CONTRAST BETWEEN:
EXOTHERMIC AND ENDOTHERMIC REACTIONS.
RUSTING AND CORROSION.
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these statements should be in the sequence of 3,5,4,1,2
the difference btween exo. and endo. reactions is that in exo. reaction heat is evolved that caused the temperature to rise bt in case of endo. reaction heat is absorbed and the temperature decreases.
rusting is a type of corrosion. corrosion is the of gradually eating up of whole metal by the action of moisture or chemicals on its surface. rusting is iron is the reaction of iron metal with moisture and oxygen
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