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Question-1
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-2
The total energy content of the reacting materials is:
(A)
Entropy
(B)
Enthalpy
(C)
Surface energy
(D)
Heat of formation
Question-3
Reactions in which heat energy is released is called:
(A)
Exothermic
(B)
Endothermic
(C)
Thermometric reaction
(D)
Emission
Question-4
Quick lime is:
(A)
Calcium sulphate
(B)
Calcium hydroxide
(C)
Calcium oxide
(D)
Calcium carbonate
Question-5
The compound plants produce by photosynthesis:
(A)
Proteins
(B)
Carbohydrates
(C)
Amines
(D)
Oxygen
Question-6
Limestone on heating gives:
(A)
Calcium oxide
(B)
Calcium hydroxide
(C)
Calcium carbonate
(D)
Calcium sulphate
Question-7
The Haber process is used for the manufacture of :
(A)
Amines
(B)
Sulphur
(C)
Ammonia
(D)
Phosphates
Question-8
Reactions in which heat energy is absorbed is called:
(A)
Exothermic
(B)
Thermometric
(C)
Photometric
(D)
Endothermic
Question-9
The apparatus used for measuring energy during combustion.
(A)
Flame calorimeter
(B)
Photometric apparatus
(C)
Spectrometer
(D)
Galvanometer
Question-10
An endothermic enthalpy change always have a value:
(A)
Negative
(B)
Zero
(C)
Either positive or negative
(D)
Positive
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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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