Smartindia Classroom
CONTENTS
Maths
English
Physics
Chemistry
Biology
Geography
Computer
Business Studies
Accountancy
Back to home
Start Practice
Question-1
The bond enthalpy value is always:
(A)
Zero
(B)
Negative
(C)
Positive
(D)
Either positive or negative
Question-2
First law of thermodynamics deals with transfer of:
(A)
Man
(B)
Heat
(C)
Energy
(D)
Particles
Question-3
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-4
The total energy content of the reacting materials is:
(A)
Entropy
(B)
Enthalpy
(C)
Surface energy
(D)
Heat of formation
Question-5
Bond breaking is a:
(A)
Exothermic reaction
(B)
Endothermic reaction
(C)
Neutralisation reaction
(D)
Displacement reaction
Question-6
An endothermic enthalpy change always have a value:
(A)
Negative
(B)
Zero
(C)
Either positive or negative
(D)
Positive
Question-7
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-8
The spectator ions among the following.
(A)
H+
(B)
OH-
(C)
Na+
(D)
COOH
-
Question-9
Quick lime is:
(A)
Calcium sulphate
(B)
Calcium hydroxide
(C)
Calcium oxide
(D)
Calcium carbonate
Question-10
An exothermic enthalpy always have a value:
(A)
Negative
(B)
Positive
(C)
Zero
(D)
Either negative or positive
Your Score 0/10
Click
here
to see your answersheet and detailed track records.
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
Powered By