National Science Olympiad Forum By SOF Olympiad Trainer - Page 329

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 8
20 mL multiplied by 10 equals 200 ml.. likewise, multiply 1 min by 10. the answer is 10 minutes or 600 seconds.

Ans 2:

Class : Class 7

Ans 3:

Class : Class 7

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
d is the answer

Ans 2:

Class : Class 8
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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 8
a b c d

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Subject :NSO    Class : Class 9

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Subject :NSO    Class : Class 9

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Subject :NSO    Class : Class 9

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Subject :NSO    Class : Class 9

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Subject :NSO    Class : Class 9

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Subject :NSO    Class : Class 9

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
Should have given (i) plus water plus sodium acetate, just giving (i) makes it a lot more confusing and makes the second reaction a guessing game. Question should have been framed better.

Ans 2:

Class : Class 6

Ans 3:

Class : Class 8
No, it's not... it is just made quite tricky! the answer is C. It asks two question simultaneously: 1. vinegar plus baking soda evolves which gas? 2. What is formed when CO2 reacts with lime water? Hope u know their answers!! ;)

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