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
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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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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: 01/06/2021
QB365 provides detailed and simple solution for every Book back Questions in class 12 Chemistry Subject. It will helps to get more idea about question pattern in every book back 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.
Which is the monomer of neoprene in the following?
\({ CH }_{ 2 }-\underset { \underset { CL }{ | } }{ C } { -CH=CH }_{ 2 }\)
\({ CH }_{ 2 }=CH-C\equiv CH\)
\({ CH }_{ 2 }=CH-CH={ CH }_{ 2 }\)
\({ CH }_{ 2 }-\underset { \underset { { CH }_{ 3 } }{ | } }{ C } { -CH=CH }_{ 2 }\)
2.
3.
Drugs that bind to the receptor site and inhibit its natural function are called _______.
antagonists
agonists
enzymes
molecular targets
4.
Saccharin, an artificial sweetener is manufactured from ____________.
cellulose
toluene
cyclohexene
starch
5.
Antiseptics and disinfectants either kill or prevent growth of microorganisms. Identify which of the following statement is not true.
dilute solutions of boric acid and hydrogen peroxide are strong antiseptics.
Disinfectants harm the living tissues
A 0.2% solution of phenol is an antiseptic while 1% solution acts as a disinfectant
Chlorine and iodine are used as strong disinfectants
1.
(a)
\({ CH }_{ 2 }-\underset { \underset { CL }{ | } }{ C } { -CH=CH }_{ 2 }\)
2.
(a)
3.
(a)
antagonists
4.
(b)
toluene
5.
(a)
dilute solutions of boric acid and hydrogen peroxide are strong antiseptics.
12th Standard Syllabus & Materials
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