IGCSE O Level Chemistry Exam MCQs – Practice Test 4 (Chapter 7)

Energy from Chemicals Notes Questions with Answers PDF Download – Test 4

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Study Energy from Chemicals Notes Questios and Answers PDF to strengthen scientific understanding. Download the Energy from Chemicals Quiz Answers PDF e-Book, Ch. 7-4 to study IGCSE O Level Chemistry Course. Solve Exothermic Reactions MCQs, Energy from Chemicals quiz answers PDF to strengthen scientific understanding. Free Energy from Chemicals Notes App: IGCSE O Level Chemistry Notes App Download to learn save energy: o level chemistry, making and breaking bonds career test to enhance chemistry retention.

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Energy from Chemicals Test Questions and Answers PDF Download: MCQ 4

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

Heat
water vapors
oxides of same compounds
carbon dioxide

MCQ 17: Energy can be conserved through:

insulating lofts with fiber glass
use of lame burn engines
using catalytic converters
controlling temperature

MCQ 18: 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

MCQ 19: The word CHP stands for:

Compressed hydrogenated petrol
combustible halogenated propane
combined heat and power
none of above

MCQ 20: 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

Energy from Chemicals Exam Prep – IGCSE O Level Chemistry Notes App & e-Book

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