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Question-1
An endothermic enthalpy change always have a value:
(A)
Negative
(B)
Zero
(C)
Either positive or negative
(D)
Positive
Question-2
Limestone on heating gives:
(A)
Calcium oxide
(B)
Calcium hydroxide
(C)
Calcium carbonate
(D)
Calcium sulphate
Question-3
First law of thermodynamics deals with transfer of:
(A)
Man
(B)
Heat
(C)
Energy
(D)
Particles
Question-4
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-5
The apparatus used for measuring energy during combustion.
(A)
Flame calorimeter
(B)
Photometric apparatus
(C)
Spectrometer
(D)
Galvanometer
Question-6
Quick lime is:
(A)
Calcium sulphate
(B)
Calcium hydroxide
(C)
Calcium oxide
(D)
Calcium carbonate
Question-7
Bond breaking is a:
(A)
Exothermic reaction
(B)
Endothermic reaction
(C)
Neutralisation reaction
(D)
Displacement reaction
Question-8
The Haber process is used for the manufacture of :
(A)
Amines
(B)
Sulphur
(C)
Ammonia
(D)
Phosphates
Question-9
The temperature at which CO
2
is a gas, but water is a liquid.
(A)
300k
(B)
33k
(C)
810 K
(D)
298 K
Question-10
The total enthalpy change for a chemical reaction takes place, provided the initial and final conditions are the same. The law is:
(A)
I
st
law of thermodynamics
(B)
Gay Lussac's Law
(C)
Law of multiple proportion
(D)
Hess's law
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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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