Question

Chemistry Quiz (BSc Iyear)
All questions are compulsory.
Each question carry 2 marks. (20 marks)
*आवश्यक
Name (surname first) *

आपका उत्तर
Father's name *

आपका उत्तर
Student Enrollment no.

आपका उत्तर
Which of the following is an acid: *
HCl
NaOH
HNO₃
Both HCl & HNO₃
None
The unit of surface tension in CGS system is: *
Kg/m
Kg/cm
Dynes/cm
Dynes/m
 
यह ज़रूरी सवाल है
The chemical formulae of Acetic acid is: *
CH₃CH₂COOH
CH₃COOH
HCOOH
None
The brown ring complex compound is formulated as [Fe(H₂0)₅(NO)+]SO₄. The oxidation state of iron is: *
1
2
3
0
Group 1 cations are precipitated as: *
Sulfides
Nitrates
Carbonates
Chlorides
Apparatus used for the determination of surface tension of a liquid is: *
Oedometer
Stalagmometer
Consolidometer
None of the above
On increasing temperature, the viscosity of a liquid is: *
Increases
Decreases
First increases then decreases
None of the above
When excess of Co₂ gas is passed in lime water then the milky colour of lime water is dissappear due to the formation of: *
CaCO₃
Ca(OH)₂
Ca(HCO₃)₂
None
An acid which reacts with neutral FeCl₃ solution forms red Buff ppt is : *
Oxalic acid
Acetic acid
Benzoic acid
NOne
Addition of KI to Pb salt in water gives precipitate. The colour of the precipitate is: *
Yellow
Black
Red
Green
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Answer 1

Answer:

kya bhai prashna Uttar hm nai jante koi uttar

Answer 2

Answer:

i. hcl

ii. dynes per cm

iii. ch3cooh

iv. +1

v. chlorides

vi. none of the above

vii. decreases

viii. ca(hco3)2

ix. benzoic acid

x. yellow