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IGCSE O Level Chemistry Cerification Guide: Practice Test 3 (Chapter 7)

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Energy from Chemicals Exam Questions and Answers PDF Download: Test 3

MCQ: 11

Endothermic changes are indicated through

  1. breaking of chemical bonds
  2. making of chemical bond
  3. burning of carbon
  4. none of above
MCQ: 12

Thermal decomposition does not occur in

  1. carbonates
  2. hydroxides
  3. Sulphates
  4. nitrates
MCQ: 13

Under thermal decomposition, copper nitrate gets converted into

  1. Copper oxide
  2. Nitrogen oxide
  3. Oxygen
  4. all of above
MCQ: 14

Upon burning, Hydrogen (H2) forms

  1. water vapors
  2. hydrogen oxide
  3. hydrogen ions
  4. hydrocarbon
MCQ: 15

Exothermic reactions do not include

  1. upon heating, hydrogen results in water
  2. neutralization of acids and alkalis
  3. respiration
  4. breaking of chemical bond

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Energy from Chemicals Quiz App (Android & iOS)

Energy from Chemicals Quiz App

O Level Chemistry Quiz App (iOS & Android)

O Level Chemistry Quiz App

A level Chemistry Quiz App (iOS & Android)

A level Chemistry Quiz App

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College Chemistry Quiz App