8th Standard Syllabus & Materials
8th Standard
Tamilnadu 8th Standard கணிதம் இயற்கணிதம் Important Questions And Answers Study Material - QB365
NEW8th Standard
Tamilnadu 8th Standard கணிதம் எண்கள் Important Questions And Answers Study Material - QB365 Set B
NEW8th Standard
Tamilnadu 8th Standard கணிதம் எண்கள் Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
Tamilnadu 8th Standard Social Science பொருளியல் - பொது மற்றும் தனியார் துறைகள் Important Questions And Answers Study Material - QB365
NEW8th Standard
Tamilnadu 8th Standard Social Science குடிமையியல் - நீதித்துறை Important Questions And Answers Study Material - QB365
NEW8th Standard
Tamilnadu 8th Standard Social Science குடிமையியல் - பாதுகாப்பு மற்றும் வெளியுறவுக் கொள்கை Important Questions And Answers Study Material - QB365

Published on: 13/05/2022
QB365 provides detailed and simple solution for every Book back Questions in class 8 Science Subject. It will helps to get more idea about question pattern in every book back questions with solution.
latest Book back QuestionsDownload Tamil Nadu 8th 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.
Name the metals that are used in jewellery.
2.
Name six common non-metals and write their symbols.
3.
Define a Alchemy.
4.
Define tensile strength.
5.
Can you store pickle in an aluminium utensil? Give reason.
1.
i) Metals like gold, silver, platinium, copper, titanium are used in making jewellery.
ii) Nowadays metals like Iron, nickel are used in making costume jewellery
2.
| Nonmetals | Symbol | |
|---|---|---|
| i | PhosPhorus | P |
| ii | Oxygen | 0 |
| iii | Carbon | C |
| iv | Nitrogen | N |
| v | Sulphur | S |
| vi | Chlorine | Cl |
3.
The process of changing less valuable metal into gold is called alchemy.
4.
| S.No | Property | Metal | Non-metal |
| 1. | Malleability | Good | Poor-usually soft or brittle |
| 2. | Ductility | Good | Poor-Usually soft or brittle |
| 3. | Melting point | Usually high | Usually low |
| 4 | Boiling point | Usually high | Usually low |
5.
Pickle contains acids which can react with aluminium liberating hydrogen gas. This can lead to the spoiling of the pickle and holes will be formed in the aluminium utensils.
8th Standard Syllabus & Materials
8th Standard
Tamilnadu 8th Standard Social Science புவியியல் - புவிப்படங்களைக் கற்றறிதல் Important Questions And Answers Study Material - QB365
NEW8th Standard
Tamilnadu 8th Standard Social Science புவியியல் - கண்டங்களை ஆராய்தல் (ஆப்பிரிக்கா, ஆஸ்திரேலியா மற்றும் அண்டார்டிகா) Important Questions And Answers Study Material - QB365
NEW8th Standard
Tamilnadu 8th Standard Social Science புவியியல் - தொழிலகங்கள் Important Questions And Answers Study Material - QB365
NEW8th Standard
Tamilnadu 8th Standard Social Science வரலாறு - காலங்கள் தோறும் இந்தியப் பெண்களின் நிலை Important Questions And Answers Study Material - QB365
Tamilnadu Stateboard 8th Standard Subjects
Tamilnadu Stateboard Standards