10th Standard Syllabus & Materials
10th Standard
TN 10th Tamil நாகரிகம், நாடு, சமூகம் - கவிதை பேழை (செய்யுள்) -முத்தொள்ளாயிரம் Sample Question Papers Study Material - QB365 Set A
NEW10th Standard
TN 10th Tamil அறம்,தத்துவம், சிந்தனைகவிதை பேழை (செய்யுள்) -அக்கறை Sample Question Papers Study Material - QB365 Set A
NEW10th Standard
TN 10th Tamil உயிரின்ஓசை - துணைப்பாடம் -பிருமம் Sample Question Papers Study Material - QB365 Set A
NEW10th Standard
TN 10th Tamil அறம், தத்துவம், சிந்தனை - கவிதை பேழை (செய்யுள்) -தேம்பாவணி * Sample Question Papers Study Material - QB365 Set A
NEW10th Standard
TN 10th Tamil கலை, அழகியல், புதுமை - உரைநடை உலகம் -பன்முகக் கலைஞர் Sample Question Papers Study Material - QB365 Set A
NEW10th Standard
TN 10th Tamil மணற்கேணி - இலக்கணம் - இலக்கணம் -பொது Sample Question Papers 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.
Differentiate soaps and detergents.
2.
How do detergents cause water pollution? Suggest remedial measures to prevent this pollution?
3.
How is ethanoic acid prepared from ethanol? Give the chemical equation.
4.
Classify the following compounds based on the pattern of carbon chain and give their structural formula:
(i) Propane
(ii) Benzene
(iii) Cyclobutane
(iv) Furan
5.
Name the simplest ketone and give its structural formula.
1.
| S. No | Soap | Detergent |
|---|---|---|
| i) | Soap is a sodium salt of long chain fatty acids. | Detergent is sodium salt of sulphonic acids. |
| ii) | The ionic part of a soap is -COO-Na+. | The ionic part in a detergent is -SO3-Na+. |
| iii) | It is prepared from animal fats or vegetable oils. | It is prepared from hydrocarbons obtained from crude oil. |
| iv) | Soaps are biodegradable. | Most of the detergents are non biodegradable. |
2.
(i) Some detergents having a branched hydrocarbon chain are not fully biodegradable by microorganisms present in water.
(ii) So they settle as insoluble chemical in water bodies.
(iii) To avoid this type of water pollution, we should. use detergents which have straight hydrocarbon chains.
(iv) Because these are easily degraded by bacteria.
3.
Ethanoic acid is prepared by the oxidation of ethanol in the presence of alkaline potassium permanganate or acidified potassium dichromate.
4.
| Compound | Carbon chain | Structural formula |
| (i) Propane | Saturated compounds open chain compounds | CH3-CH2-CH3 |
| (ii) Benzene | Aromatic compounds in carbocyclic compounds | .JPG) |
| (iii) Cyclobutane | Alicyclic compounds contain one or more Carbocyclic compounds. | .JPG) |
| (iv) Furan | Heterocyclic compounds contains carbon and other atoms like Oxygen, Nitrogen, Sulphur, etc., | .JPG) |
5.
| Simplest Ketone | Structural formula |
| Acetone |  |
10th Standard Syllabus & Materials
10th Standard
TN 10th Tamil கூட்டாஞ்சோறு - இலக்கணம் - தொகைநிலை தொடர்கள் Sample Question Papers Study Material - QB365 Set A
NEW10th Standard
TN 10th Tamil பண்பாடு - கவிதை பேழை (செய்யுள்) -முத்துக்குமாரசாமி பிள்ளைத்தமிழ் Sample Question Papers Study Material - QB365 Set A
NEW10th Standard
TN 10th Tamil உயிரின்ஓசை - இலக்கணம் - தொகாநிலை தொடர் Sample Question Papers Study Material - QB365 Set A
NEW10th Standard
TN 10th Tamil இயற்கை, சுற்றுசூழல், அறிவியல் - கவிதை பேழை (செய்யுள்) -மேகம் Sample Question Papers Study Material - QB365 Set A
Tamilnadu Stateboard 10th Standard Subjects
Tamilnadu Stateboard Standards
