11th Standard Syllabus & Materials
11th Standard
TN 11th Tamil இயற்கை வேளாண்மை,சுற்றுச்சூழல் -செய்யுள் - மனோன்மணீயம் Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil என்னுயிர் என்பேன் -துணைப்பாடம் - இசைத்தமிழர் இருவர் Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil மொழி கலை -செய்யுள் - ஒவ்வொரு புல்லையும் Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil பீடு பெற நில் - இலக்கணம் - பகுபத உறுப்புகள் Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil பீடு பெற நில் - துணைப்பாடம் - வாடிவாசல் Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil பீடு பெற நில் - செய்யுள் - குறுந்தொகை Important Questions And Answers Study Material - QB365 Set A
Published on: 13/05/2022
QB365 provides detailed and simple solution for every
Creative Questions in class 11 Chemistry Subject. It will
helps to get more idea about question pattern in every Creative questions with solution.
Download Tamil Nadu 11th 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.
Water is a useful solvent. Which properties make water as a good solvent?
2.
What kind of compounds can be dissolved and hydrolysed in water?
3.
How will you regenerate zeolite in ion-exchange method?
4.
Name the salts that lead to the formation of permanent hardness in water? Can you remove permanent hardness by boiling?
5.
Mention any two biological effects of D2O.
1.
High dipole moment and high dielectric constant make water as a useful solvent.
2.
Water can easily dissolve all ionic compounds. Due to H-bonding with polar molecules, even covalent molecules like alcohols and carbohydrates dissolve in water.
Water can hydrolyse many metallic and nonmetallic oxides, hydrides, phosphides and other salts.
P4O10(s) + 6H2O ➝ 4H3PO4(aq)
3.
In ion exchange method, when all the Na+ ions of zeolite are exchanged by Ca/Mg, the zeolite can be regenerated by treating with a strong solution of NaCI.
MZ2 + 2NaCl ➝ 2NaZ + MCl2 (M = Ca/Mg)
4.
Permanent hardness is due to the presence of soluble salts of magnesium and calcium in form of sulphates and chlorides. Permanent hardness is not removed by boiling.
5.
(a) D2O retards the growth of living organisms like plants and animals.
(b) Pure heavy water kills small fishes, tadpoles and mice when fed upon it.
11th Standard Syllabus & Materials
11th Standard
TN 11th Tamil பீடு பெற நில் - செய்யுள் - காவடிச்சிந்து Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil பீடு பெற நில் - உரைநடை - மலை இடப்பெயர்கள் : ஓர் ஆய்வு Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil மாமழை போற்றுதும் - துணைப்பாடம் - யானை டாக்டர் Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil மாமழை போற்றுதும் - செய்யுள் - ஐங்குறுநூறு Important Questions And Answers Study Material - QB365 Set A
Tamilnadu Stateboard 11th Standard Subjects
Maths
Commerce
Economics
Biology
Business Maths and Statistics
Accountancy
Computer Science
Physics
Chemistry
Maths
Biology
Economics
Physics
Chemistry
History
Business Maths and Statistics
Computer Science
Accountancy
Computer Applications
History
Computer Technology
Commerce
Computer Applications
Computer Technology
Tamil
English
French
Tamilnadu Stateboard Standards
