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IGCSE A Level Chemistry Practice Test 325

Reversible Reactions Quiz Questions and Answers PDF - 325

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Reversible Reactions Quiz Answers PDF Download: Test 325

MCQ 1621: When the products react again to get into reactants, the reaction is called

A) backward reaction only
B) reversible reaction only
C) forward reaction
D) backward and reversible reaction

MCQ 1622: At temperatures above 1500 °C, hydrogen fluoride (HF) and hydrogen chloride (HCl) are

A) decomposed
B) not decomposed
C) stable
D) melt

MCQ 1623: Metal oxide that turns into cement upon roasting with clay is

A) NO
B) CaO
C) BaO
D) MgO

MCQ 1624: Chemical reactivity can be determined through

A) polarity of a bond
B) bond energy
C) number of electrons used
D) number of lone pairs

MCQ 1625: Acidic oxides (non-metal oxides) of sulfur (S8) and nitrogen (N2) can fall pH of rainwater to

A) 4
B) 6
C) 1
D) 5

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A level Chemistry App (Android & iOS)

A level Chemistry App (Android & iOS)

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10th Grade Chemistry App (Android & iOS)