12th Chemistry public exam 2020 original question paper and answer key

Tamilnadu 12th class public exam chemistry answer key 2020 .We released 12th class English language question paper & Exam answer 2020 on march 2020. Authorities conducted the computer science exam today and now released the answer key for the convenience of students, According to the exam schedule ,the teachers will be provided hsc exam paper and answer key on this web page

TN 12th Public Exam Chemistry Answer Key 2020

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1.Match the following
1 fluorine i( Identification of coloured metal ion

2Wolframite ore is separated from tinstone by the pocess of
a) electromagnetic separation
b) smelting
c) calcination
d)roasting
3.The transition element which has only +3 oxidation state is
4.The medical value of a drug is measured in terms of its
a) deoxyribose gold number
c) therapeutic index
d)equilibrium constant

5.The queous solutions of sodium formate, anilinium chloride and potassium cyanite are respectively
a) acidic, a

6. If an strand of the DNA has the sequence ATGCTTGA then the sequesnce of complementary strand would be

7 Which one of the following is most basic
8How many faradays of electricity are required for the following reaction to occur

10 Laptops have
a lead strorage battery
b Fuel cell
c mercury button cell
d Lithium ion battery

11Formula for hyponitrous acid

12 williomson syntehis is preparing

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Overview of TN Board +2 2020 Details

Organization Name Directorate of Government Examinations
Name of Stream 12th Class Exam
Name of Stream Arts, Commerce and science , chemistry
Type of Exam Annual Exam
Academic Year 2019 2020
Answer key Release Date  
Official Website www.dge.tn.gov.in

Tamilnadu Plus Two Question Papers and Answer Key 2020

12th public exam question papers and answers pdf are available here to download. Also our team will update these official question papers for students and teachers reference. Kindly download the TN +2 Question papers Answerke subject wise in the pdf format. The Board of HIgher secondary Examination Tamilnadu is going to organize the HSE Second year examination from the 2nd march 2020 to april 2020 at the various exam centres in the TN state. After the Exam concludes, the appeared students are curiously browoing the internet in search of their 11th question paper with answers 2020. as answer key has all the correct answers for the questions As the answer key has all the correct answers for the questions asked in the exam. At the bottom of this page, we provide you with the official link to download and access the physics, english, chemistry, maths, mathematics, computer science,computer application Answerkey for the tamilnadu hc first year examination 2020

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12th public exam answerkey march 2020,pdf direct download ,12th english public exam 2020 original question paper and answer key

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