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IGCSE A Level Chemistry Practice Test 96

Catalysts MCQ Questions and Answers PDF - 96

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Catalysts MCQ with Answers PDF Download: Quiz 96

MCQ 476: In Haber process bonds between ammonia and iron surface weaken and break during

A) adsorption
B) chemisorptions
C) desorption
D) none of above

MCQ 477: Consider the reaction: Na(s) + H2O → NaOH(aq) + H2(g). Moles of H2O required to balance the equation will be

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

MCQ 478: In excess water, Ca(OH)2 produces

A) Ca +2 ions
B) H2(g)
C) Calcium oxide (CaO)
D) calcium carbonate

MCQ 479: Number of grams of compound needed to saturate 100g of water is defined for

A) solubility
B) volatility
C) polarity
D) none of above

MCQ 480: Consider the reaction: CaO(s) + H2O(l) → Ca(OH)2. The state of the product in this reaction should be

A) solid
B) liquid
C) aqueous
D) Gaseous

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