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Question-1
The solvent step in a reaction mechanism is called:
(A)
Fast step
(B)
Slow step
(C)
First step
(D)
Rate determining step
Question-2
In Haber process, the catalyst used is:
(A)
Nickel
(B)
Platinum
(C)
Iron
(D)
Copper
Question-3
When magnesium is added to an acid, the gas produced is:
(A)
Hydrogen
(B)
Oxygen
(C)
Chlorine
(D)
Nitrogen
Question-4
A mixture of nitrocellulose and camphor.
(A)
Amino acid
(B)
Celluloid
(C)
Protein
(D)
Carbohydrates
Question-5
The amount in moles of a reactant which is used in a given time is:
(A)
Concentration
(B)
Rate
(C)
Time
(D)
Displacement
Question-6
The catalyst used in contact process.
(A)
Iron
(B)
Vanadium pentoxide
(C)
Copper
(D)
Nickel
Question-7
The catalyst used in the hydorgenation of vegetable oil.
(A)
Nickel
(B)
Platinum
(C)
Copper
(D)
Iron
Question-8
The device used to measure colour concentration.
(A)
Spectrophotometer
(B)
Colorimeter
(C)
Calorimeter
(D)
Voltameter
Question-9
When temperature is increased by 10 Kelvin, the rate of reactions is:
(A)
Halved
(B)
Remains same
(C)
Doubled
(D)
Becomes 5 times
Question-10
The minimum energy required for reaction to occur.
(A)
Threshold energy
(B)
Kinetic energy
(C)
Activation energy
(D)
Potential energy
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Cambridge Advanced Grade 11
IGCSE
Practice in Related Chapters
Atomic Structure (As)
States of Matter (As)
Hydrocarbons: Fuels
Group VII Elements and their Compounds
Hydrocarbons: Alkenes
Halogenoalkanes
Basic Concepts in Organic Chemistry
Alcohols
Enthalpy Changes
Reaction Rates
Equilibria
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