Subject :NSO Class : Class 9
Subject :NSO Class : Class 2
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Subject :NSO Class : Class 5
Ans 3:
Class : Class 2
A change of state from Solid to gas without changing to liquid state is called Sub Limation.
Ans 4:
Class : Class 8
Deposition is a thermodynamic process, a phase transition in which gas transforms into solid. The reverse of deposition is sublimation. One example of deposition is the process by which, in sub-freezing air, water vapor changes directly to ice without first becoming a liquid.
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Subject :NSO Class : Class 8
Ans 5:
Class : Class 8
IF IT IS SMALL THEN WE USE MICROSCOPE .WHEN IT IS VERY SMALL ORGANISM THEN WE USE ELECTRON MICROSCPOE
Ans 7:
Class : Class 10
Microscope for cell/microorganism observation and magnifying glass for bigger objects
Ans 8:
Class : Class 8
If it is small to see , we can use magnifying glass but if it is micro organism , we can see only through a microscope.
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Subject :NSO Class : Class 7