National Science Olympiad Forum By SOF Olympiad Trainer - Page 691

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Subject :NSO    Class : Class 10

Ans 1:

Class : Class 10
test_i don't know

Ans 2:

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

Ans 3:

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

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Subject :NSO    Class : Class 5

Ans 1:

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

Ans 2:

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 3:

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 4:

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

Ans 5:

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

Ans 6:

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

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 10
B

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 8
question is itself wrong

Ans 2:

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

Ans 3:

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

Ans 4:

Class : Class 9

Ans 5:

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 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 5

Ans 8:

Class : Class 9
there is no X

Ans 9:

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

Ans 10:

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

Ans 11:

Class : Class 8
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Ans 12:

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

Ans 13:

Class : Class 7
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Ans 14:

Class : Class 7

Ans 15:

Class : Class 5
You all are correct

Ans 16:

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

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

Ans 20:

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 21:

Class : Class 7
yes same here

Ans 22:

Class : Class 7
there are no x and y mentioned

Ans 23:

Class : Class 5
Absolutely wrong

Ans 24:

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

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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 7

Ans 2:

Class : Class 9
The question is not clear

Ans 3:

Class : Class 5
answer is c nickel coin is also a magnetic substance but steel is a non magnetic substance

Ans 4:

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 5:

Class : Class 10
IT SHOULD BE A

Ans 6:

Class : Class 8
c

Ans 7:

Class : Class 8

Ans 8:

Class : Class 6

Ans 9:

Class : Class 9
copper is non magnetic

Ans 10:

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

Ans 11:

Class : Class 6
C

Ans 12:

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 13:

Class : Class 7
But in containers i

Ans 14:

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

Ans 15:

Class : Class 7
But in containers I

Ans 16:

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

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Subject :NSO    Class : Class 6

Ans 1:

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

Ans 2:

Class : Class 9
R-magnesium

Ans 3:

Class : Class 9
S-vitamin K

Ans 4:

Class : Class 7
Question is not complete...

Ans 5:

Class : Class 7
question not complete pls fix

Ans 6:

Class : Class 9
What is spasms????

Ans 7:

Class : Class 9

Ans 8:

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

Ans 9:

Class : Class 10

Ans 10:

Class : Class 8

Ans 11:

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

Ans 12:

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

Ans 13:

Class : Class 5
answer is (d)

Ans 14:

Class : Class 7
oh vitamin A

Ans 15:

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 16:

Class : Class 7
what is L?

Ans 17:

Class : Class 6

Ans 18:

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

Ans 19:

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

Ans 20:

Class : Class 6
ummm intestine?

Ans 21:

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

Ans 22:

Class : Class 6
Q is Vitamin D.

Ans 23:

Class : Class 7

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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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