IGCSE O Level Chemistry MCQs - Chapter 7
Energy from Chemicals Trivia Questions & Answers PDF Download - 4
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The Quiz: Upon heating either of the carbonate, hydroxide or nitrate, a common byproduct is;; "Energy from Chemicals" App APK Download (Free) with answers: Water vapors; Heat; Oxides of same compounds; Carbon dioxide; for ACT practice test. Practice Save Energy: O Level Chemistry Quiz Questions, download Kindle eBook (Free Sample) for online certificate programs.
Energy from Chemicals Test Questions and Answers PDF Download: MCQ 4
Upon heating either of the carbonate, hydroxide or nitrate, a common byproduct is
- Heat
- water vapors
- oxides of same compounds
- carbon dioxide
Energy can be conserved through
- insulating lofts with fiber glass
- use of lame burn engines
- using catalytic converters
- controlling temperature
In an endothermic reaction,
- more light is produced
- chemical bonds are formed
- a lot of steam is produced
- products contain more energy than the reactants
The word CHP stands for
- Compressed hydrogenated petrol
- combustible halogenated propane
- combined heat and power
- none of above
Overall energy change can be calculated by
- subtracting the energy taken in when bonds are broken from the energy given out, when bonds are made
- adding the energy taken in when bonds are broken and the energy given out, when bonds are made
- subtracting the energy given out when bonds are made from the energy taken in, when bonds are broken
- multiplying all the enthalpy changes
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