Subject :NSO Class : Class 4
Subject :NSO Class : Class 4
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Subject :NSO Class : Class 4
Post Your Answer
Subject :NSO Class : Class 4
Ans 1:
Class : Class 9
My name is Dark Raider (a big surprise who I am. I can't reveal who I am) and all of you are wrong. Actually limestone and soda are melted in a furnace which is then cooled to make solid glass. And as for the number of states of matter, there are actually 4 states of matter.
Ans 2:
Class : Class 7
Liquid. Actually glass is not a solid but a super-cooled liquid. It is made by mixing limestone and soda ash.
Ans 4:
Class : Class 4
Harshkant You are right. Glass is a super cool liquid. there are actually 4 states of matter.
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Subject :NSO Class : Class 4
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Subject :NSO Class : Class 4
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Subject :NSO Class : Class 4
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Subject :NSO Class : Class 4
Ans 2:
Class : Class 6
An inventor named ANTONIO MEUCCI had made and patented a device much like the telephone which he called the 'teletrofono' in 1860,but he was so poor that he could not pay the $10 fee to renew his patent,so he lost it.5 years later ALEXANDER GRAHAM BELL who had seen the 'teletrofono' made his own 'teletrofono' which he called as 'telephone'.
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Subject :NSO Class : Class 4
Post Your Answer
Subject :NSO Class : Class 4