IGCSE O Level Chemistry MCQs - Chapter 7

Energy from Chemicals Quiz Questions & Answers PDF Download - 7

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The Energy from Chemicals Trivia Questios and Answers PDF (Energy from Chemicals Quiz Answers PDF e-Book) download Ch. 7-7 to study IGCSE O Level Chemistry Course. Solve Exothermic Reactions MCQs, Energy from Chemicals quiz answers PDF to learn online IGCSE GCSE courses. The Energy from Chemicals Trivia App Download: Free IGCSE O Level Chemistry App to learn endothermic reactions, save energy: o level chemistry career test for free online college courses.

The Quiz: Burning of methane (CH₄) gives off heat and; "Energy from Chemicals" App APK Download [Free] with answers: water (gas) only, carbon dioxide (gas) only, hydrogen gas, and carbon dioxide (gas) and water (gas) to learn online IGCSE GCSE courses. Practice Acidity or Alkalinity Quiz Questions, download Kindle e-Book (Free Sample) to learn online IGCSE GCSE courses.

Energy from Chemicals Test Questions and Answers PDF Download: MCQ 7

MCQ: 31

Burning of methane (CH₄) gives off heat and

carbon dioxide (gas) only
water (gas) only
hydrogen gas
carbon dioxide (gas) and water (gas)

MCQ: 32

Burning of glucose produces heat and

carbon dioxide (gas) only
water (gas) only
oxygen (gas)
carbon dioxide (gas) and water (gas)

MCQ: 33

Endothermic reactions take place when

energy given out in making bonds is less than the energy taken in for breaking bonds
energy given out in making bonds is more than the energy taken in for breaking bonds
energy given out in making bonds is equal to the energy taken in for breaking bonds
none of above

MCQ: 34

Water with lesser oxygen is known to cause

water pollution only
disturbance in balance of life in river only
poisonous
water pollution and disturbance in balance of life in river

MCQ: 35

Energy changes in a chemical reaction can be represented through

energy profile diagram
energy prolific graph
Sensors
data loggers

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