National Science Olympiad Forum By SOF Olympiad Trainer - Page 727

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Subject :NSO    Class : Class 10

Ans 1:

Class : Class 10
NO.for being a conductor any acid is need to be dissolved in it.

Ans 2:

Class : Class 10
test_i don't know

Ans 3:

Class : Class 10
No because it does not contain any ions.

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 7
the correct answer should be b because the sun is not a planet.

Ans 2:

Class : Class 5
So sorry, i didnt read the question correctly

Ans 3:

Class : Class 7
the correct answer should be b because the sun is not a planet.

Ans 4:

Class : Class 10
B

Ans 5:

Class : Class 6
number one sun is A STAR BOT A PLANET number two SUN IS 147.26 MILLION KM AWAY FROM EARTH NOT 150,000,000

Ans 6:

Class : Class 7
sol is A. The Sun is a huge mass of very hot gases. --- Correct.B. The Sun is the only planet that we can see in the day. --- Correct.The Sun’s light is so bright, that all other plants are not visible.C. The distance of the Sun from the Earth is about 150,000,000 km. --- Correct. Sun is 150 million km away from us.D. The Sun is important to the Earth because it provides light energy to green plants to make food. --- Correct. If there is no sunlight, plants cannot make food, they will die. There will be nothing to eat for animals and us.So, Option B is the right answer.

Ans 7:

Class : Class 7
sorry i did not read the question properly

Ans 8:

Class : Class 5
I do not understand how the answer is B.. The sun is not a planet, it is a star. And there are times when you can see venus in the sky, it is the only planet which can be spotted in the sky during the day (Rarely spotted).

Ans 9:

Class : Class 7
yaa and solution is also wrong it says all are correct

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 8
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Ans 2:

Class : Class 7
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Ans 3:

Class : Class 7

Ans 4:

Class : Class 7
Yes there is no x and y in this question

Ans 5:

Class : Class 7
yes same here

Ans 6:

Class : Class 7
ameya athawale from woodridge high school,aurangabadclass:7thX and Y aren't there in the question then what to answer

Ans 7:

Class : Class 9
Also, if we try to report an error, they say that it is not a valid error. Please tell them to fix this immediately.

Ans 8:

Class : Class 9
there is no X

Ans 9:

Class : Class 9

Ans 10:

Class : Class 5
What is this X and Y. Question is totally wrong

Ans 11:

Class : Class 5

Ans 12:

Class : Class 8
question is itself wrong

Ans 13:

Class : Class 7
This question has an error in it. I too found that there was no X and Y in this.

Ans 14:

Class : Class 7
This is wrong question we should get full marks

Ans 15:

Class : Class 5
You all are correct

Ans 16:

Class : Class 9
I too found it wrong.There is neither X nor Y

Ans 17:

Class : Class 9
if you don't mind please check what question you are setting and please correct it if it is wrong

Ans 18:

Class : Class 9
same case here like harshita A ranjani u should give the correct question

Ans 19:

Class : Class 5
Absolutely wrong

Ans 20:

Class : Class 8
exactly...there is neither X or Y !! what is wrong with this question...

Ans 21:

Class : Class 7
All are from our NSO level1 workbookAnd they have not mentioned X and Y

Ans 22:

Class : Class 7
there are no x and y mentioned

Ans 23:

Class : Class 7
i don't know if this question is right or are my eyes playing tricks on me but i don't seem to see an X or a Y in here.

Ans 24:

Class : Class 9
There is neither x nor y, how do you expect us to give the correct answer?

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Subject :NSO    Class : Class 1

Ans 1: (Master Answer)

Class : Class 1
The black air causes air pollution and it makes the air dirty. Hence, the correct answer is B.

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Subject :NSO    Class : Class 2

Ans 1:

Class : Class 6
A

Ans 2:

Class : Class 2

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
the answer will be C as 3 option is non-magnetic

Ans 2:

Class : Class 9
Yes the answer is C as iron nail , nickle and steel are magnetic

Ans 3:

Class : Class 6
C

Ans 4:

Class : Class 7
But in containers i

Ans 5:

Class : Class 9
In the first and second option, the magnetic materials are iron nail and steel nail respectively. In the third option all are non magnetic. In fourth option, both are magnetic materials. Therefore Ans:- A (i) and (ii)

Ans 6:

Class : Class 6
answer is c nickel coin is also a magnetic substance but steel is a non magnetic substance

Ans 7:

Class : Class 7
But in containers I

Ans 8:

Class : Class 8
c

Ans 9:

Class : Class 9
copper is non magnetic

Ans 10:

Class : Class 7

Ans 11:

Class : Class 9
But...Iron, nickel and copper r magnetic, and both steel and aluminium r non-magnetic. Then why option A is correct ans???

Ans 12:

Class : Class 8

Ans 13:

Class : Class 6

Ans 14:

Class : Class 10
IT SHOULD BE A

Ans 15:

Class : Class 6
No, the answer is A as both steel and nickel are magnetic .

Ans 16:

Class : Class 9
The question is not clear

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 9

Ans 2:

Class : Class 9
What is spasms????

Ans 3:

Class : Class 9
The question has some error......Can anyone find it and declare? Please!!!!

Ans 4:

Class : Class 7
Can someone please tell me what are the nutrients?

Ans 5:

Class : Class 7
what is L?

Ans 6:

Class : Class 5
answer is (d)

Ans 7:

Class : Class 9
P-vit a ,Q- vit d

Ans 8:

Class : Class 7
oh vitamin A

Ans 9:

Class : Class 7
what is gut??????

Ans 10:

Class : Class 8

Ans 11:

Class : Class 7
because P is vitamin a and i think S is vitamin k

Ans 12:

Class : Class 9
S-vitamin K

Ans 13:

Class : Class 9
Umm, SOF..... No, this time nothing is wrong in this question (bcz almost all times I post for wrong question ;P) but could you explain this a little better in the solution?

Ans 14:

Class : Class 7
Question is not complete...

Ans 15:

Class : Class 6
ummm intestine?

Ans 16:

Class : Class 6

Ans 17:

Class : Class 7
question not complete pls fix

Ans 18:

Class : Class 9
R-magnesium

Ans 19:

Class : Class 7

Ans 20:

Class : Class 6
Q is Vitamin D.

Ans 21:

Class : Class 10

Ans 22:

Class : Class 8
P- Vitamin AQ- Vitamin DR- IDKS- Vitamin K

Ans 23:

Class : Class 7
gut means intestine and spasms means muscles suddenly contracting involuntarily.

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Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

Class : Class 1
The correct answer is D.

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Subject :NSO    Class : Class 5

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