IGCSE A Level Chemistry Practice Test 179

Catalysts Quiz Questions with Answers PDF Download - 179

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The Catalysts Trivia Questions and Answers PDF (Catalysts Quiz Answers PDF e-Book) download Ch. 25-179 to solve IGCSE A Level Chemistry Practice Tests. Learn Reaction Kinetics MCQ Questions PDF, Catalysts Multiple Choice Questions (MCQ Quiz) to study online certification courses. The Catalysts Trivia App Download: Free educational app for catalysts, properties variation in group iv, rate of reaction, catalysis, mechanisms: organic reactions test prep for best ACT prep courses online.

The Quiz: When molecules become bonded to atoms on the surface of a solid the process is termed as; "Catalysts" App (iOS, Android) with answers: Chemisorptions only; Adsorption only; Desorption; Adsorption and chemisorptions; for best ACT prep courses online. Study Reaction Kinetics Questions and Answers, Google eBook to download free sample for colleges that offer online classes.

Catalysts Quiz with Answers PDF Download: MCQs 179

MCQ 891:

When molecules become bonded to atoms on the surface of a solid the process is termed as

adsorption only
chemisorptions only
desorption
adsorption and chemisorptions

MCQ 892:

In Group-IV, melting point decreases

down the group
across the period (left to right)
across the period (right to left)
up the group

MCQ 893:

Reactions which take place on 10-14 to 10-15 seconds are termed as

Nano chemistry
Femtochemistry
Microchemistry
Biochemistry

MCQ 894:

The molecule which fits into a specific site of the enzyme is called

substance
substrate
products
reactant

MCQ 895:

The overall reaction in the series of proper steps is termed as

mechanism
reaction
reaction mechanism
none of above

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