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 10 Online Test MCQs With Answers
Question # 1
Soda time is a mixture of:
Choose an answer
CaO and NaOH
CaCI2 and NaOH
CaO and ca(OH)2
CaCI2 and KOH
Previous
Skip
Next
Question # 2
According to Lewis concept a base is a substance which can donate.
Choose an answer
Proton
Electron pair
Neutron
Electron
Previous
Skip
Next
Question # 3
|Which one is not an Arrhenius acid?
Choose an answer
HCl
H2SO
4
CO
2
HNO
3
Previous
Skip
Next
Question # 4
What is the pOH of Ca(OH)2, 0.02 M Solution.
Choose an answer
1.698
1.397
12.31
12.61
Previous
Skip
Next
Question # 5
Which of one the following is Lewis base?
Choose an answer
BF3
H+
NH3
Ag+
Previous
Skip
Next
Question # 6
If a liquid has a pH of 7 then it must.
Choose an answer
Be a colourless and odourless liquid
Freeze at 0
o
C and boil at 100
o
C
Be natural
Be a solution containing water
Previous
Skip
Next
Question # 7
Acid means
Choose an answer
Sour
Bitter
Sweet
Salty
Previous
Skip
Next
Question # 8
All acids turn blue litmus.
Choose an answer
Red
Blue
Pinck
White
Previous
Skip
Next
Question # 9
The product of any Lewis acid-base reaction is a single specie called:
Choose an answer
free radical
adduct
molecular ion
conjugate
Previous
Skip
Next
Question # 10
The value of constant of ionic product of water Kw at 25 C.
Choose an answer
1.0 x 10
-4
1.0 x 10
14
1.0 x 10
-4
1.0 x 10
4
Previous
Skip
Next
Question # 11
Latin word 'Acidus' means:
Choose an answer
sweet
salty
sour
bitter
Previous
Skip
Next
Question # 12
According to Arrhenius concept acid is a substance which dissociates in aqueous solution to give.
Choose an answer
Hydrogen ions
Hydroxide ions
Both a and b
None of these
Previous
Skip
Next
Question # 13
Who proved that the presence of hydrogen as the main constituent of all acids.
Choose an answer
Lavoisier
Humphrey Davy
Dalton
Arrhenius
Previous
Skip
Next
Back