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Question-1
The energy required to decompose limestone.
(A)
+ 572 KJ mol
-1
(B)
- 890.3 KJ mol
-1
(C)
- 588 KJ mol
-1
(D)
-833 KJ mol
-1
Question-2
The standard enthalpy change of combustion of hydrogen is:
(A)
- 300 KJ mol
-1
(B)
-286 KJ mol
-1
(C)
348 KJ mol
-1
(D)
298 KJ mol
-1
Question-3
The apparatus used for measuring energy during combustion.
(A)
Flame calorimeter
(B)
Photometric apparatus
(C)
Spectrometer
(D)
Galvanometer
Question-4
Reactions in which heat energy is released is called:
(A)
Exothermic
(B)
Endothermic
(C)
Thermometric reaction
(D)
Emission
Question-5
First law of thermodynamics deals with transfer of:
(A)
Man
(B)
Heat
(C)
Energy
(D)
Particles
Question-6
The Haber process is used for the manufacture of :
(A)
Amines
(B)
Sulphur
(C)
Ammonia
(D)
Phosphates
Question-7
The energy needed to raise the temperature of 1g of water by 1k is called:
(A)
Enthalpy change
(B)
Specific heat capacity
(C)
Entropy change
(D)
Heat by fusion
Question-8
An exothermic enthalpy always have a value:
(A)
Negative
(B)
Positive
(C)
Zero
(D)
Either negative or positive
Question-9
Bond breaking is a:
(A)
Exothermic reaction
(B)
Endothermic reaction
(C)
Neutralisation reaction
(D)
Displacement reaction
Question-10
The total energy content of the reacting materials is:
(A)
Entropy
(B)
Enthalpy
(C)
Surface energy
(D)
Heat of formation
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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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