GROUP2MAINS 2015 POSTAL TEST ---IYACHAMY 9952521550 Test no -4
மிகச்சிறிய அளவில் விடையளிக்கும் வினா வடக Very short answer type ஒவ்வவான்றிற்கும் 30 வசாற்களுக்கு மிகாமல் விடையளிக்கவும் Answer not exceeding 30 words each ஒவ்வவாரு வினாவிற்கும் மூன்று மதிப்வெண்கள் Each Question carry 3 marks அடனத்து வினாக்களுக்கும் விடையளிக்க Answer all the question Section-A
30*3=90
1. WRITE THE PROPERTY OF NITROGEN? ? 2. WHAT IS THE PROCESS OF PREPARATION OF AMMONIA IN LABORATORY ? ? 3. WHY DIAMOND IS DENSOR THEN GRAPHITE? ? 4. WHAT ARE SILLICONES?
5. DEFINE THE TERM “GANGUE” AND FLUX”? ? 6. WHY A CANDLE FLAME BURNS YELLOW, WHILE A HIGHY OXIGANATED GAS FUEL FLAME BURNS BLUE?
7. WHAT ARE HYDROCARBONS? GIVE TWO EXAMPLES?
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GROUP2MAINS 2015 POSTAL TEST ---IYACHAMY 9952521550
8. WRITE MAJOR NATURAL DISASTER IN INDIA WITH PLACE AND YEAR?
? 9. WRITE THE EARTHQUAKE ZONE IN INDIA?
10. WHAT IS THE MAJOR DISASTER IN INDIA? ? 11. HOW ARE EARTHQUAKE MAGNITUDES MEASURED?
12. What are the safety precautions before during and after tsunami?
? 13. What is cement? What is it composition?
14. Gold is a noble metal? why is it called so? ? 15. What is galvanization?
16. boran is a nonmetal whereas AL is a metal . why? ? 17. What is the role of silica in metallurgy of copper? ? 18. Every ore is a mineral but every mineral is not an ore. Comment?
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GROUP2MAINS 2015 POSTAL TEST ---IYACHAMY 9952521550
? 19. Name three main varieties of iron. Which out of them is the purest? ? 20. Why a green layer is formed on the surface of copper metal, if, kept in moist air. Explain
? 21. What is endosulfan? Why it is frequently in news? ? ? 22. How the fertilizers affect the ground water?
23. What is blue baby syndrome? ? 24. What are the diseases caused by pesticides?
25. Why do two wheelers not use diesel? ? 26. What is stealth technology? ? 27. TRAI-EXPAND 28. WHAT IS TERI? TERI
?
29. HOW DOES CARBON CHANGE INTO DIAMOND? ? 30. What is bio fertilizer? ? ANY QUERIES CONTACT –IYACHAMY -99525215550—
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GROUP2MAINS 2015 POSTAL TEST ---IYACHAMY 9952521550
Section –B சுருக்கமாக விடையளிக்கும் வினாவடக Brief answer type question ஒவ்வவான்றிற்கும் 120 வசாற்களுக்கு மிகாமல் விடையளிக்கவும் Answer not exceeding 120 words each ஒவ்வவாரு வினாவிற்கும் மூன்று மதிப்வெண்கள் Each Question carry marks அடனத்து வினாக்களுக்கும் விடையளிக்க Answer all the question
8*8=64
1. write the properties and uses of diamond and graphite? ? 2. difference between graphite and diamond?
? 3. what is hazard ? How its classified? ? 4. Tsunami the name how derived? causes of Tsunami? Impacts of Tsunami? ,
5.
write the physical and chemical properties of metal and non metal? .
6.
How is steel different from iron? Name the two advantages of converting iron into steel? How can the above conversion be done ,
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GROUP2MAINS 2015 POSTAL TEST ---IYACHAMY 9952521550 ? 7. what is chemical fertilizer? Write the varios type of fertilizer and their application in agriculture? ?
8.
what is mixed fertilizer write its advantage and disadvantage? ? Part-C விரிவாக விடையளிக்கும் வினாவடக Detailed answer type question ஒவ்வவான்றிற்கும் 250 வசாற்களுக்கு மிகாமல் விடையளிக்கவும் Answer not exceeding 250 words each ஒவ்வவாரு வினாவிற்கும் 15 மதிப்வெண்கள் Each Question carry 15 marks அடனத்து வினாக்களுக்கும் விடையளிக்க Answer all the question
5*14=70
1. Write about nitrogen cycle? Write various methods nitrogen fixation? ,
2. What are the steps taken by the Indian government for disaster management?
. 3. What is steel? What are the kinds of steel and write their uses?
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GROUP2MAINS 2015 POSTAL TEST ---IYACHAMY 9952521550 எஃகு
? .
4. What is fertilizer? Write the different types of fertilizer? . 5. Why is hydrogen being acclaimed as the fuel of the future?
.
Part-D
2*30=60
கட்டுடர வடிவில் விடையளிக்க Essay type answer question ஒவ்வவான்றிற்கும் 500 வசாற்களுக்கு மிகாமல் விடையளிக்கவும் Answer not exceeding 500 words each ஒவ்வவாரு வினாவிற்கும் 30 மதிப்வெண்கள் Each Question carry 30 marks அடனத்து வினாக்களுக்கும் விடையளிக்க 1. Write India’s progress in combating climate change?
? 2. Status of public health system in Tamilnadu?
?
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GROUP2MAINS 2015 POSTAL TEST ---IYACHAMY 9952521550
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