More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
Chemistry 10th Class English Medium Unit 9 Online Test MCQs With Answers
Question # 1
At equilibrium state, when reaction cases to proceed, it is called:
Choose an answer
equilibrium constant
dynamic equilibrium
static equilibrium
simple equilibrium
Previous
Skip
Next
Question # 2
We exhale gas in the atmosphere during respiration.
Choose an answer
Carbon dioxide
Oxygen
Nitrogen
Water
Previous
Skip
Next
Question # 3
A complete reaction is one is which.
Choose an answer
All the reactants convert into products.
All the reactants do not convert into products.
Half reactants convert into products.
Only 10% reactants convert into products.
Previous
Skip
Next
Question # 4
When CaCO
3,
.is heated in an open flask, it decomposes to form calcium oxides and .
Choose an answer
O
2
CO
CO
2
CO
3
Previous
Skip
Next
Question # 5
Such reaction which can be made proceed in either direction depending upon the condition:
Choose an answer
simple reaction
reversible reaction
irreversible reaction
chain reaction
Previous
Skip
Next
Question # 6
The major components of Atmosphere are:
Choose an answer
Carbon and Nitrogen
Nitrogen and Oxygen
Oxygen and Chlorine
None of these
Previous
Skip
Next
Question # 7
When the reaction causes to produced it is called.
Choose an answer
Chemical equlibrium state
Static equilibrium
Dynamic equilibriiun
All
Previous
Skip
Next
Question # 8
The forward reaction takes place:
Choose an answer
Right to left
Left to Right
Only to right
Only to left
Previous
Skip
Next
Question # 9
If Qc < Kc the reaction goes in:
Choose an answer
Forward
Reverse
At equilibrium state
None
Previous
Skip
Next
Question # 10
Such reactions which continue in both directions are called.
Choose an answer
Irreversible
Reversible
Nonreactive
Dynamic
Previous
Skip
Next
Question # 11
The dynamic equilibrium in irreversible reaction.
Choose an answer
Never establishes
Establishes after completion of reaction
Establishes before completion of reaction
Establishes very soon
Previous
Skip
Next
Question # 12
The % age of nitrogen and oxygen in our atmosphere is:
Choose an answer
80
90
95
99
Previous
Skip
Next
Question # 13
The value of equilibrium constant (Kc) depends only on:
Choose an answer
temperature
Pressure
concentration
density
Previous
Skip
Next
Back