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IGCSE O Level Chemistry Certification Exam Tests

IGCSE O Level Chemistry Practice Test 105

Save Energy: O Level Chemistry Quiz Questions and Answers PDF - 105

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Save Energy: O Level Chemistry Quiz Answers PDF Download: Test 105

MCQ 521: Energy can be conserved through

A) insulating lofts with fiber glass
B) use of lame burn engines
C) using catalytic converters
D) controlling temperature

MCQ 522: The Symbol Hg is of

A) helium
B) Hydrargyrum
C) hydrogen
D) Natrium

MCQ 523: In an endothermic reaction,

A) more light is produced
B) chemical bonds are formed
C) a lot of steam is produced
D) products contain more energy than the reactants

MCQ 524: On passing electricity through the electrolyte solution,

A) the electrolyte splits up
B) the electrolyte decomposes
C) the ions migrate towards oppositely charged electrodes
D) all of above

MCQ 525: What is correct about washing soda?

A) it is acidic
B) it is alkaline
C) it is neutral
D) it is basic

IGCSE O Level Chemistry Exam Prep Tests

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O Level Chemistry App (Android & iOS)

ALL-in-ONE Learning App (Android & iOS)

O Level Chemistry App (Android & iOS)

O Level Chemistry App (Android & iOS)

10th Grade Chemistry App (Android & iOS)

10th Grade Chemistry App (Android & iOS)

SAT Chemistry App (Android & iOS)

SAT Chemistry App (Android & iOS)