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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
In my case, I feel that (A)is a suitable answer. But the correct option is (C). Why?

Ans 2:

Class : Class 6

Ans 3:

Class : Class 4
I prefer option C.

Ans 4:

Class : Class 1
Ans 6 is absolutely right. Ans is C.

Ans 5:

Class : Class 6
Ans is C because Black Gold is another name for coal.

Ans 6:

Class : Class 6

Ans 7:

Class : Class 5
c is the correct answer

Ans 8:

Class : Class 5
THE CORRECT ANSWER IS C, BECAUSE BLACK GOLD IS ANOTHER NAME FOR CRUDE OIL OR PETROLEUM .

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 8
Tibia and Fibula(option C.)

Ans 2:

Class : Class 6
tibia and fibula

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Subject :NSO    Class : Class 6

Read the given statements and select the correct option.
Statement 1: Groundwater is safe for drinking.
Statement 2: Groundwater is free from soluble impurities.

ABoth statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1.
BBoth statements 1 and 2 are correct but statement 2 is not the correct explanation of statement 1.
CStatement 1 is correct but statement 2 is incorrect.
DBoth statements 1 and 2 are incorrect.


Groundwater is free from soluble impurities is wrong. Ground water is free from suspended impurities but it contains dissolved gases, minerals and salts. Hence answer is C.

Ans 1:

Class : Class 6
Some dissolved salts in water is essential for human body and groundwater is free from suspended impurities but it contains soluble things, hence the option is C.

Ans 2:

Class : Class 8
No ground water has impurities, minerals, gases and some microbes dissolved in it

Ans 3:

Class : Class 7
Ground water is not always safe, it can contain soluble impurities like arsenic

Ans 4:

Class : Class 6
groundwater sometimes have heavy metals such as lead and arsenic dissolved in them and hence is always not safe for drinking

Ans 5:

Class : Class 7
Answer is option'D'. Neither of the statements are correct. And SOF World, Please listen to our comments and reply to it and rectify your mistakes quickly,ASAP. Iam not here to scold you, but trying to advise you. So please, from the heart of all the students who are commenting(including me), rectify all your mistakes ASAP( AS SOON AS POSSIBLE)!!!!!!!!!!!!

Ans 6:

Class : Class 7
Yes the option C is the correct as groundwater is not always safe

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Subject :NSO    Class : Class 2

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6

Ans 2:

Class : Class 5

Ans 3:

Class : Class 4
Its C

Ans 4:

Class : Class 6
Sunita from Dps, Greater NoidaClass : >Class 5 about a minute agoAdithi Keshava from National Center For Excellence , BangaloreClass : >Class 5 13 days agoOption CAns 2:Adithi Keshava from National Center For Excellence , BangaloreClass : >Class 5 13 days agoOption C

Ans 5:

Class : Class 5
i got noooooooo idea

Ans 6:

Class : Class 6
Adithi Keshava from National Center For Excellence , BangaloreClass : >Class 5 13 days agoOption C

Ans 7:

Class : Class 7
Option C

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 7
Explosion

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Subject :NSO    Class : Class 1

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
B weaver birds

Ans 2:

Class : Class 4
the answer is (B) weaver bird.

Ans 3:

Class : Class 4
its [C] tailor bird

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 1

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
ANSWER IS (a)

Ans 2:

Class : Class 5
Explaaaaaaaaaaaaaaaaaaaaaaiiiiiiiiiiiiiiiiiiiiiin

Ans 3:

Class : Class 5

Ans 4:

Class : Class 4
PLEASE EXPLAIN

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