National Science Olympiad Forum By SOF Olympiad Trainer - Page 405

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Subject :NSO    Class : Class 9

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Subject :NSO    Class : Class 9

Ans 1:

Class : Class 9
I cannot understand the solution.

Ans 2:

Class : Class 9
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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
can someone explaini do not understand how the pressure from up or down matters?

Ans 2: (Master Answer)

Class : Class 1

Ans 3:

Class : Class 4
D

Ans 4:

Class : Class 4
D

Ans 5:

Class : Class 8
D D D

Ans 6:

Class : Class 5

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Subject :NSO    Class : Class 9

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 8
To SOF New Delhi and Master answer Revisewise Noida I hope you are ready to answer my question once again after you gave different answers in the workbook and the website and I got more than 100 likes for that question and the master answer wasn't giving the answer. So read what I have typed below.Please answer: How does "drilling a hole into a metal sheet" cause friction? Please answer as soon as possible (ASAP).From Ashmi Narkar Grade 4SOF Student Vibgyor High Airoli

Ans 2:

Class : Class 4
To Ashmi Narkar-Drilling a hole into a metal sheet cause friction as,because of the friction it is able to drill in the metal sheet and make a hole in it!I hope this helped you!

Ans 3:

Class : Class 8
My sister also says that she had same question just the name was different and she gave same answer and that time too answer was wrong. Now tell me the answer until 19.11.2019

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8

Ans 2:

Class : Class 10
it is not C because burning of candle is reversible. I think answer is B

Ans 3:

Class : Class 9
Hey, the answer is C only. Because in burning of candle both melting and burning of wax is included right? Ya, so melting of wax is physical change (wax is still wax) and burning of wax is chemical change (wax turns to smoke). And both of these are irreversible. Now see an example. During Diwali we light tea lights, those small, circular candles, right? Have you ever observed it? First the wax melts into liquid wax, then if you don't blow the flame away, the wax burns away! These are CANDLES after all right? So this is how burning of candle is physical, chemical and irreversible change. This answer is written WITHOUT use of any website. Plz consider this as solution. SOF if you could add this as solution could you do that?

Ans 4:

Class : Class 1

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Subject :NSO    Class : Class 5
nso

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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1

hi nandika, how can we help you? as this forum is designed to solve SOF Olympiad related questions/queries, so use this platform to clear your doubts about these topics.

thanks

happy learning.


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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
No diagram in question

Ans 2:

Class : Class 6
There is no diagram?

Ans 3:

Class : Class 6
Yes, there is no diagram

Ans 4:

Class : Class 7
What IS THIS????????????????

Ans 5:

Class : Class 6

Ans 6:

Class : Class 5
No diagrammm???

Ans 7:

Class : Class 7
No diagram = No answer as I don't know what's the diagram

Ans 8:

Class : Class 5

Ans 9:

Class : Class 6
there is no diagram

Ans 10:

Class : Class 7
I knew that this has a glitch so I reported an error for this question

Ans 11:

Class : Class 6
Diagram is missing in the question

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 5
answer is option a

Ans 2:

Class : Class 9
The answer is A - Bacterium, Bacillus anthracis.

Ans 3:

Class : Class 7
The answer is A right?🤔🤔

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