National Science Olympiad Forum By SOF Olympiad Trainer - Page 589

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
CHROMIUM IS AN EXPENSIVE METAL SO WHOLE OBJECT COULD NOT BE MADE OF IT. SO CORRECT ANSWER SHOULD BE B.

Ans 2:

Class : Class 10

Ans 3:

Class : Class 8
Chromium is more expensive

Ans 4:

Class : Class 8
In the SOF book, Option B is correct. How come here Option D?

Ans 5:

Class : Class 9
the people of SOF should be wise but they are acting like dummies.. Its like they don't know that CHROMIUM IS AN EXPENSIVE METAL. IF IT WAS CHEAP WHY WOULD ITEMS NEED TO BE ELECTROPLATED!! BECAUSE OF THIS MISTAKE I LOST A MARK AND IN THE 1ST QUESTION TOO BECAUSE OF THEIR HORRIBLE MISTAKES.. I AM VERY ANGRY NOW.. I MEAN LIKE 2 MISTAKES IN 1 TEST?!?!.. REALLY?!?

Ans 6:

Class : Class 9
chromium is expensive . so answer should be B

Ans 7:

Class : Class 9
It means that in place of electroplating the object with some other metal like silver ,it is cheaper to electroplate it with chromium

Ans 8:

Class : Class 9
B

Ans 9:

Class : Class 9

Ans 10:

Class : Class 8
Correct answer is B

Ans 11:

Class : Class 8
chromium is not cheapif it is cheap then the whole material can be made of chromium, why do they electroplate it if its cheapoption D is wrong and option B is correct

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Subject :NSO    Class : Class 10

Ans 1:

Class : Class 5
The chicken was born first. Because the formation of egg shell relies upon a protein found only in the chicken's ovaries. Hope you found the answer to your question

Ans 2:

Class : Class 5
C.Both

Ans 3:

Class : Class 5
a

Ans 4:

Class : Class 4
bOTH

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8

Ans 2:

Class : Class 8
Correct option is A

Ans 3:

Class : Class 8
Ans.- (A) Gravity always accelerates any body's speed when it is coming towards the earth. g = 9.8 m/s^2

Ans 4:

Class : Class 8
Correct option is A

Ans 5:

Class : Class 8

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Subject :NSO    Class : Class 2

Ans 1:

Class : Class 7

Ans 2: (Master Answer)

Class : Class 1

The correct answer is A


Ans 3:

Class : Class 7

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Subject :NSO    Class : Class 9

Ans 1: (Master Answer)

Class : Class 1

The correct answer is B

The gas having lowest boiling point i.e., highly volatile will be distilled out first and the gas having highest boiling point i.e., least volatile will be distilled out at the last. So, the correct order of gases distilling out is neon, nitrogen, oxygen, krypton.


Ans 2:

Class : Class 9
Option b

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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1

The correct answer is B

Here forces X, Y and Z are Friction, Magnetic force and Gravitational force. It is friction which opposes or slows down moving objects


Ans 2:

Class : Class 3
I don't understand this question..!!

Ans 3:

Class : Class 4

Ans 4:

Class : Class 3

Ans 5:

Class : Class 5
Can't understand question.....

Ans 6:

Class : Class 3

Ans 7:

Class : Class 4

Ans 8:

Class : Class 7
not understanded

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Subject :NSO    Class : Class 2

Ans 1:

Class : Class 7
The Correct answer is A dungbeetles, as they help us in removing dung from the road

Ans 2: (Master Answer)

Class : Class 1

Dung beetle is a helpful insect that helps in dispersing dung


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Subject :NSO    Class : Class 6

Ans 1: (Master Answer)

Class : Class 1

Ans 2:

Class : Class 9
KINDLY LEARN ENGLISH GRAMMAR FIRST

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
DBACGBANGGFCDGDAAJNNC

Ans 2:

Class : Class 5
C

Ans 3:

Class : Class 5
It is either option C or option B! SO WHOEVER PUT OPTION C IS ALSO CORRECT !

Ans 4:

Class : Class 9
c

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7
a tendril is a modified stem,leaf or petiole with small spring like structure that is used to give support to plants.

Ans 2: (Master Answer)

Class : Class 1

A tendril is a specialized stem, leaves or petiole with a threadlike shape that is used by climbing plants for support and attachment 


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