Subject :NSO Class : Class 5
Class : Class 5
In my case, I feel that (A)is a suitable answer. But the correct option is (C). Why?
Class : Class 5
THE CORRECT ANSWER IS C, BECAUSE BLACK GOLD IS ANOTHER NAME FOR CRUDE OIL OR PETROLEUM .
Subject :NSO Class : Class 7
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Subject :NSO Class : Class 6
Ans 1:
Class : Class 6
Groundwater is safe for drinking but is not free of soluble impurities and that is why we boil it, so the correct option is (C)
Ans 3:
Class : Class 7
Ground water is not always safe, it can contain soluble impurities like arsenic
Ans 4:
Class : Class 8
No ground water has impurities, minerals, gases and some microbes dissolved in it
Ans 5:
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 6:
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 7:
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)!!!!!!!!!!!!
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Subject :NSO Class : Class 2
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Subject :NSO Class : Class 5
Ans 5:
Class : Class 6
Adithi Keshava from National Center For Excellence , BangaloreClass : >Class 5 13 days agoOption C
Ans 6:
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
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Subject :NSO Class : Class 5
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Subject :NSO Class : Class 1
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Subject :NSO Class : Class 3
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Subject :NSO Class : Class 3
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Subject :NSO Class : Class 4