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Question-1
The amount in moles of a reactant which is used in a given time is:
(A)
Concentration
(B)
Rate
(C)
Time
(D)
Displacement
Question-2
The device used to measure colour concentration.
(A)
Spectrophotometer
(B)
Colorimeter
(C)
Calorimeter
(D)
Voltameter
Question-3
Iron reacts with copper ions in the solution, displacing them and the colour of the solution changes to:
(A)
Red
(B)
Green
(C)
Blue
(D)
Yellow
Question-4
The study of rates of reactions is called:
(A)
Thermodynamics
(B)
Spectroscopy
(C)
Chemical kinetics
(D)
Chemical Equilibrium
Question-5
If the catalyst and the reactants are present in the same phase, then reaction is:
(A)
Displacement
(B)
Homogeneous catalysis
(C)
Heterogeneous catalysis
(D)
Free radical addition
Question-6
In Haber process, the product formed is:
(A)
Ammonia
(B)
Sulphuric acid
(C)
Nitrogen dioxide
(D)
Proteins
Question-7
When temperature is increased by 10 Kelvin, the rate of reactions is:
(A)
Halved
(B)
Remains same
(C)
Doubled
(D)
Becomes 5 times
Question-8
In Haber process, the catalyst used is:
(A)
Nickel
(B)
Platinum
(C)
Iron
(D)
Copper
Question-9
The catalyst used in contact process.
(A)
Iron
(B)
Vanadium pentoxide
(C)
Copper
(D)
Nickel
Question-10
The solvent step in a reaction mechanism is called:
(A)
Fast step
(B)
Slow step
(C)
First step
(D)
Rate determining step
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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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