12th Standard Syllabus & Materials
12th Standard
TN 12th Computer Applications மின்னணு தரவு பரிமாற்றம் Sample Question Papers Study Material - QB365 Set A
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TN 12th Computer Applications மின் - வணிக பாதுகாப்பு அமைப்புகள் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications மின்னணு செலுத்தல் முறைகள் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications மின் - வணிகம் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications திறந்த மூல கருத்துருக்கள் Sample Question Papers Study Material - QB365 Set A
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TN 12th Computer Applications வலையமைப்பு வடமிடல் Sample Question Papers Study Material - QB365 Set A
Published on: 18/06/2021
QB365 provides detailed and simple solution for every Creative Questions in class 12 Chemistry Subject. It will helps to get more idea about question pattern in
every Creative questions with solution.
Download Tamil Nadu 12th Standard Chemistry question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Chemistry Test1.
When Copper is heated with cone HNO3 it produces
Cu (NO3)2 and N2O
Cu (NO3)2 and NO2
Cu (NO3)2 and NO
Cu (NO3)2 NO and N2O
2.
Pick the wrong one among the following
F2 - Yellow
Br2 - Red
Cl2 - Colourless
I2- Violet
3.
Allotrope of sulphur which shows paramagnetic behaviour _______.
S8- Rhombic
S8- Monoclinic
S2- In vapour phase
Not possible
4.
Which is dibasic?
Orthophosphoric acid
Pyrophosphoric acid
Orthophosphorus acid
Hypophosphorous acid
5.
Catenation property of group 15 elements, follow the order _______.
N < P < As < Sb < Bi
P >> N > As > Sb > Bi
P < N < As < Sb < Bi
N>> P > As > Sb > Bi
1.
(b)
Cu (NO3)2 and NO2
2.
(c)
Cl2 - Colourless
3.
(c)
S2- In vapour phase
4.
(c)
Orthophosphorus acid
5.
(b)
P >> N > As > Sb > Bi
12th Standard Syllabus & Materials
12th Standard
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