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IGCSE O Level Chemistry Practice Test 78

Chemical to Electrical Energy MCQ (Multiple Choice Questions) PDF - 78

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Chemical to Electrical Energy MCQ Questions PDF Download: Quiz 78

MCQ 386: Duration of bright-bulb can be enhanced, if along with copper

A) magnesium is used
B) the acid is more dilute
C) zinc
D) graphite

MCQ 387: Sulfate ion can be written symbolically as

A) SO42-
B) SO32-
C) SO42-
D) S2-

MCQ 388: What is true about Impurities?

A) they lowers the boiling point
B) they lowers the freezing point
C) they lowers melting points
D) they raises the melting point

MCQ 389: Sodium Carbonate Na2CO3 indicates that for each Carbonate ion (CO3-2), number of Sodium ions (Na+) are

A) 1
B) 2
C) 3
D) 4

MCQ 390: The chemical formula of anhydrous Monosodium Phosphate is

A) NaPO3
B) NaH2PO4
C) Na2CO3.10H2O
D) NaH2PO4.H2O

IGCSE O Level Chemistry Exam Prep Tests

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A level Chemistry App (Android & iOS)