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: 25/06/2021
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.
Why does Li2CO3 decompose at a temperature below 1273K?
2.
Why does table salt becomes wet when kept in open space?
3.
Give the uses of sodium bicarbonate
4.
Why is sodium bicarbonate nicknamed as 'Baking Soda'?
5.
List the uses of sodium hydroxide
1.
(i)\(Li_2CO_3+\xrightarrow{Δ}Li_2O+CO_2\)
(ii) This is presumably due to large size difference between Li+ and \(CO_2^{ -3}\) which makes the crystal lattice unstable and decomposes readily
2.
The impurities in NaCI (Na2 SO4, MgCl2, etc) will absorb moisture from air and makes it wet
3.
(i) Sodium hydrogen carbonate is used as an ingredient in baking.
(ii) It is a mild antiseptic for skin infections.
(iii) It is also used in fire extinguishers
4.
Sodium hydrogen carbonate or sodium bicarbonate is used in baking cakes, pastries etc. It is so called because it decomposes on heating to generate bubbles of carbon dioxide, leaving holes in cakes or pastries and making them light and fluffy
5.
(i) Sodium hydroxide is used as a laboratory reagent
(ii) It is also used in the purification of bauxite and petroleum refining
(iii) It is used in the textile industry for mercerising cotton fabrics
(iv) It is used in the manufacture of soap, paper, artificial silk and a number of chemicals
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
