10th Standard Syllabus & Materials
10th Standard
Tamilnadu 10th Standard Social Science GEO - India - Population, Transport, Communication and Trade Important Questions And Answers Study Material - QB365 Set C
NEW10th Standard
Tamilnadu 10th Standard Social Science GEO - India - Population, Transport, Communication and Trade Important Questions And Answers Study Material - QB365 Set B
NEW10th Standard
Tamilnadu 10th Standard Social Science GEO - India - Population, Transport, Communication and Trade Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
Tamilnadu 10th Standard Social Science GEO - India - Resources and Industries Important Questions And Answers Study Material - QB365 Set C
NEW10th Standard
Tamilnadu 10th Standard Social Science GEO - India - Resources and Industries Important Questions And Answers Study Material - QB365 Set B
NEW10th Standard
Tamilnadu 10th Standard Social Science GEO - India - Resources and Industries Important Questions And Answers Study Material - QB365 Set A

Published on: 12/06/2021
QB365 provides detailed and simple solution for every Book back Questions in class 10 Science Subject. It will helps to get more idea about question pattern in every book back questions with solution.
Download Tamil Nadu 10th Standard Science 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 Science Test1.
Classify the following substances into deliquescent, hygroscopic. Conc. Sulphuric acid, Copper sulphate pentahydrate, Silica gel, Calcium chloride, and Gypsum salt.
2.
Define Hydrated salt.
3.
4.
Give an example each
i) gas in liquid
ii) solid in liquid
iii) solid in solid
iv) gas in gas
5.
Define the term: Solution.
1.
|
Deliquescent |
Hygroscopic |
|---|---|
| Copper sulphate pentahydrate, Calcium chloride, Gypsum Salt. | Conc. Sulphuric acid, Silica gel. |
2.
(i) Ionic substances crystallize out from their saturated aqueous solution with a definite number of molecules of water.
(ii) The number of water molecules found in the crystalline substance is called water of crystallization.
(iii) Such salts are called hydrated salts.
(iv) E.g. Blue vitriol - CuSO4.5H2O
3.
4.
i) Gas in liquid - CO2 dissolved in water (Soda water)
ii) Solid in liquid - NaCl dissolved in water
iii) Solid in solid - Copper dissolved in gold (Alloys)
iv) Gas in gas - Mixture of Helium-oxygen gases
5.
(i) A solution is a homogeneous mixture of two or more substances.
E g: Sea water.
(ii) In a solution, the component present in lesser amount by weight is called a solute.
(iii) The component present in a larger amount by weight is called a solvent.
(iv) Solute + Solvent → Solution
10th Standard Syllabus & Materials
10th Standard
Tamilnadu 10th Standard Social Science GEO - Climate and Natural Vegetation of India Important Questions And Answers Study Material - QB365 Set C
NEW10th Standard
Tamilnadu 10th Standard Social Science GEO - Climate and Natural Vegetation of India Important Questions And Answers Study Material - QB365 Set B
NEW10th Standard
Tamilnadu 10th Standard Social Science GEO - Climate and Natural Vegetation of India Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
Tamilnadu 10th Standard Social Science GEO - India - Location, Relief and Drainage Important Questions And Answers Study Material - QB365 Set B
Tamilnadu Stateboard 10th Standard Subjects
Tamilnadu Stateboard Standards