12th Standard Syllabus & Materials
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TN 12th Computer Applications மின்னணு செலுத்தல் முறைகள் Sample Question Papers Study Material - QB365 Set A
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TN 12th Computer Applications மின் - வணிகம் Sample Question Papers Study Material - QB365 Set A
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Published on: 18/06/2021
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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.
Which gives an yellow oil with nitrous acid?
1° amine
2° amine
3° amine
quarternary salt
2.
When nitro methane condenses with acetone it gives
1-nitro-2-propanol
1-nitro-2-methoxy propane
1-nitro-2-methoxy-ethanol
1-nitro-2-methoxy-propanol
3.
Which among the following dissolves in NaOH?
CH3NO2
(CH3)3CNO2
C6H5NO2
C6H5ONO
4.
Aniline differs from ethylamine by the reaction with
metallic sodium
an alkyl halide
chloroform and caustic potash
nitrous acid
5.
C6H5NH2 \(\underrightarrow { { NANO }_{ 2 }/HCl } \) X Identify X.
C6H5CI
C6H5NHOH
C6H5N2CI
C6H5OH
1.
(b)
2° amine
2.
(d)
1-nitro-2-methoxy-propanol
3.
(a)
CH3NO2
4.
(d)
nitrous acid
5.
(c)
C6H5N2CI
12th Standard Syllabus & Materials
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