Energy from Chemicals Trivia Questions and Answers PDF - 4

MCQ 16: Upon heating either of the carbonate, hydroxide or nitrate, a common byproduct is

1. Heat
2. water vapors
3. oxides of same compounds
4. carbon dioxide

MCQ 17: Energy can be conserved through

1. insulating lofts with fiber glass
2. use of lame burn engines
3. using catalytic converters
4. controlling temperature

MCQ 18: In an endothermic reaction,

1. more light is produced
2. chemical bonds are formed
3. a lot of steam is produced
4. products contain more energy than the reactants

MCQ 19: The word CHP stands for

1. Compressed hydrogenated petrol
2. combustible halogenated propane
3. combined heat and power
4. none of above

MCQ 20: Overall energy change can be calculated by

1. subtracting the energy taken in when bonds are broken from the energy given out, when bonds are made
2. adding the energy taken in when bonds are broken and the energy given out, when bonds are made
3. subtracting the energy given out when bonds are made from the energy taken in, when bonds are broken
4. multiplying all the enthalpy changes