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IGCSE O Level Chemistry Practice Test 157

Exothermic Reactions Quiz Questions and Answers PDF - 157

The e-Book Exothermic Reactions Quiz Questions, exothermic reactions quiz answers PDF download chapter 7-157 to study online igcse chemistry degree courses. Practice Energy from Chemicals MCQ with answers PDF, exothermic reactions Multiple Choice Questions (MCQ Quiz) for online college degrees. The Exothermic Reactions Quiz App Download: Free learning app for exothermic reactions, polarization, ionic compounds: crystal lattices test prep for colleges that offer online degrees.

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Exothermic Reactions Questions and Answers PDF Download: Quiz 157

MCQ 781: In ionic crystals, heat energy is taken in to

A) forming carbonates
B) forming Sulphates
C) breaking crystal lattices
D) forming covalent bonds

MCQ 782: Polarization refers to the

A) prevention of electricity flowing in the electrolyte solution
B) rapid dissolving of magnesium in dilute acid
C) slow dissolving of magnesium in conc. Acid
D) electricity flowing in the electrolyte solution

MCQ 783: The only covalent molecule conducting electricity is

A) helium
B) selenium
C) mercury
D) graphite

MCQ 784: Ionic compounds are

A) soluble in water only
B) good conductors of electricity if in molten state only
C) bad conductors of electricity
D) soluble in water and good conductors of electricity if in molten state

MCQ 785: In Universal indicators, a pH of 11 to 14 is indicated through

A) turquoise color
B) violet color
C) blue color
D) light violet color

IGCSE O Level Chemistry Exam Prep Tests

Exothermic Reactions Learning App & Free Study Apps

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Exothermic Reactions App (Android & iOS)

Exothermic Reactions App (Android & iOS)

O Level Chemistry App (Android & iOS)

O Level Chemistry App (Android & iOS)

9th Grade Chemistry App (Android & iOS)

9th Grade Chemistry App (Android & iOS)

10th Grade Chemistry App (Android & iOS)

10th Grade Chemistry App (Android & iOS)