National Science Olympiad Forum By SOF Olympiad Trainer - Page 526

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
Can someone pls explain ?

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4

Ans 2:

Class : Class 4
bbbbbbbbbbbbbbbbbbbbbbbbbb

Ans 3:

Class : Class 5
b

Ans 4: (Master Answer)

Class : Class 1

The correct answer is B


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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
ans is c.

Ans 2:

Class : Class 6
Ans is C

Ans 3:

Class : Class 5
ANS C

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
.....!?

Ans 2:

Class : Class 6
the question is wrong all the options are correct. it is given in the synopsis that centrifugation is used to separate cream from milk.

Ans 3:

Class : Class 8
Bruhhhh this is so easy wish questions like these were on NSO

Ans 4:

Class : Class 8
answer is Only

Ans 5:

Class : Class 6
D

Ans 6:

Class : Class 9
bruh

Ans 7:

Class : Class 6

Ans 8:

Class : Class 9
Larger solid particles are separated from smaller ones by sieving

Ans 9:

Class : Class 9
dheeraj, it is alking about that the statement is correct.mud and water can be separated by many ways but it is asking nly about statemnt(whether the mentioned thing in "statement are crrect r not

Ans 10:

Class : Class 6
B is the answer

Ans 11:

Class : Class 6
Mud and water can be separated by loading, sedimentation, decantation, AND filtration.So, answer should be B

Ans 12:

Class : Class 8

Ans 13:

Class : Class 8

Ans 14:

Class : Class 9
answer should be 'd'

Ans 15:

Class : Class 6
first option is to wrong

Ans 16:

Class : Class 6
c is correct not b

Ans 17:

Class : Class 6
II,III and IV are correct, none of options are correct and in I it should be sieving/handpicking

Ans 18:

Class : Class 6
answer should be d

Ans 19:

Class : Class 6
Neither of the options is correct. Even solution is not explaining it well. Kindly tell the correct answer because I think that III and IV are correct.

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
translucent bcz the light is passing partially from the window

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7

Ans 2:

Class : Class 10

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8

Ans 2:

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

Ans 3:

Class : Class 7

Ans 4:

Class : Class 9
B

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

Ans 7:

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

Ans 8:

Class : Class 7
chromium is expensive . so answer should be B

Ans 9:

Class : Class 8
Correct answer is B

Ans 10:

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

Ans 11:

Class : Class 5
Chromium is more expensive

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Subject :NSO    Class : Class 10

Ans 1:

Class : Class 4
bOTH

Ans 2:

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 3:

Class : Class 5
C.Both

Ans 4:

Class : Class 5
a

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