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IGCSE O Level Chemistry Practice Test 88

Valence Electrons Multiple Choice Questions (MCQ) PDF - 88

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Valence Electrons Questions and Answers PDF Download: Quiz 88

MCQ 436: The first element in the periodic table to have 8 valence electrons in the third shell is

A) silicon
B) chlorine
C) argon
D) potassium

MCQ 437: Exothermic reactions do not include

A) upon heating, hydrogen results in water
B) neutralization of acids and alkalis
C) respiration
D) breaking of chemical bond

MCQ 438: What is true about mineral acids?

A) they have simpler structures
B) they are naturally occurring
C) they are less corrosive
D) none of above

MCQ 439: What is true about Brass?

A) it is a combination of nitrogen and sulphur
B) a combination of copper and zinc
C) it is a combination of copper and tin
D) it is an alloy

MCQ 440: While forming soluble salts, acid is added to the metal until there is no more

A) precipitation
B) polymerization
C) H2 gas
D) saturation

IGCSE O Level Chemistry Exam Prep Tests

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Valence Electrons App (Android & iOS)

Valence Electrons App (Android & iOS)

O Level Chemistry App (Android & iOS)

O Level Chemistry App (Android & iOS)

A level Chemistry App (Android & iOS)

A level Chemistry App (Android & iOS)

SAT Chemistry App (Android & iOS)

SAT Chemistry App (Android & iOS)