Subject :NSO Class : Class 9
Subject :NSO Class : Class 6
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Subject :NSO Class : Class 7
Ans 2:
Class : Class 9
hno3 i snitric acid a very strong acid indeed a monobasic acid
h2so4 is sulphuric acid ph is 1.4 highly corrosive used in lead storage batteries
hope u get
Ans 4:
Class : Class 8
HNO3 and H2SO4 are strong and artificially made acids called as Nitric acid and Sulphuric acid respectively. They are used in perfume making, cleansing of metal containers, etc. and they are also used in chemical reactions.
Ans 5:
Class : Class 7
hno3=nitricacid or aquafortis,h2so4=sulphuric acid or oil of vitriol or king of chemical compounds
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Subject :NSO Class : Class 3
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 5
Ans 1:
Class : Class 8
Trible people live in forests. Deforestation is the process of cutting down of trees in forests. This affects the survival of trible people as they get food from these trees and live in forests.
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Subject :NSO Class : Class 3
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Subject :NSO Class : Class 7
Ans 1:
Class : Class 7
The theory of relativity was proposed by Albert Einstein and determined that the laws of physics are the same for all non accelerating observers. He showed that the speed of light within a vacuum is the same no matter the speed at which an observer travels.
Ans 2:
Class : Class 10
Theory of relativity says us that E means energy and M where mass and C means velocity of light,
in the equation E=MC^2
Ans 3:
Class : Class 8
Theory of Relativity is a theory proposed by Albert Einstein relating mass, capacity and energy in the form of equation where E is energy, M is mass and C is capacity (E=MC^2).