National Science Olympiad Forum By SOF Olympiad Trainer - Page 184

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 7

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Class : Class 7
Option A is the answer.

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Subject :NSO    Class : Class 1

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Subject :NSO    Class : Class 3

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Class : Class 4
D HEALS IS NOT GOOD FOR CHILD

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Class : Class 4
D HEALS IS NOT GOOD FOR CHILD

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Subject :NSO    Class : Class 5

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Class : Class 5
Earthquake

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Class : Class 5
EARTH QUACK

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Subject :NSO    Class : Class 1

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Subject :NSO    Class : Class 3

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Subject :NSO    Class : Class 3

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Subject :NSO    Class : Class 9

Ans 1:

Class : Class 9
very true

Ans 2:

Class : Class 9
Option A - Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1. Because, when solid CO2 is exposed to air it changes into gaseous state i.e. it undergoes "SUBLIMATION". Therefore option A is correct.....

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Subject :NSO    Class : Class 1

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