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Question-1
The device used to measure colour concentration.
(A)
Spectrophotometer
(B)
Colorimeter
(C)
Calorimeter
(D)
Voltameter
Question-2
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-3
If the catalyst and the reactants are present in the same phase, then the reaction is:
(A)
Displacement
(B)
Homogeneous catalysis
(C)
Heterogeneous catalysis
(D)
Free radical addition
Question-4
The minimum energy required for radiation to occur.
(A)
Threshold energy
(B)
Kinetic energy
(C)
Activation energy
(D)
Potential energy
Question-5
A mixture of nitrocellulose and camphor.
(A)
Amino acid
(B)
Celluloid
(C)
Protein
(D)
Carbohydrates
Question-6
The traditional name of ethane is:
(A)
Acetal
(B)
Acetaldehyde
(C)
Acetone
(D)
Acetylene
Question-7
One of the pollutants of car exhaust gases.
(A)
Oxygen
(B)
Carbon monoxide
(C)
Hydrogen
(D)
Nitrogen
Question-8
When temperature is increased by 10 Kelvin, the rate of reaction is:
(A)
Halved
(B)
Remains same
(C)
Doubled
(D)
Becomes 5 times
Question-9
In Haber process, the catalyst used is:
(A)
Nickel
(B)
Platinum
(C)
Iron
(D)
Copper
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 12
IGCSE
Practice in Related Chapters
Planet Earth
Atomic Structure
Group VII Elements and their Compounds
Halogenoalkanes
Basic Concepts in Organic Chemistry
Alcohols
Hydrocarbons: Alkenes
Hydrocarbons: Fuels
Reaction Rates
Enthalpy Changes
Equilibria
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