Chemistry General Science Test Hard Mode

Sr. #	Questions	Answers Choice
1	ΔH_{Neutralisation} is always	Positive Negative Zero Positive or negative
2	The heats evolved in combustion of rhombic and monoclinic sulphur are - 70960 and -71030 cal mol^-1 respectively what will be heat of conversion of rhombic sulphur ti monoclinic?	70960 calories 71030 calories -70 calories +70 calories
3	Hess's law deals with	Changes in heat or reaction Rate of reaction Equilibrium constant Influence of pressure on volume of a gas
4	An exothermic reaction is one in which the reacting substances	Have more energy than the products Have less energy than the products Have the same energy as the products Are at a higher temperature than the products
5	An endothermic reaction is one in which	Heat is converted into electricity Heat is obsorbed Heat is evolved Heat is converted into mechanical work

News