Subject :NSO Class : Class 4
Subject :NSO Class : Class 3
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Subject :NSO Class : Class 3
Ans 3:
Class : Class 4
The answer is (B) as the book is under gravitational force that's why the book is on the table.
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Subject :NSO Class : Class 5
Ans 3:
Class : Class 6
answer is B because Oil spill is the condition when mineral oil or petroleum oil being carried on a ship gets spilled in the sea due to some reason. This causes death of aquatic organisms. Oil gets coated on feathers of aquatic birds making them unable to fly and to regulate their body temperatures. This causes death of the birds.
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Subject :NSO Class : Class 4
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Subject :NSO Class : Class 3
Post Your Answer
Subject :NSO Class : Class 5
Ans 1:
Class : Class 4
black gold is another name for petroleum or crude oil but according to SOF it is granite I think there is some error in this question from SOF
Ans 3:
Class : Class 5
THE CORRECT ANSWER IS C, BECAUSE BLACK GOLD IS ANOTHER NAME FOR CRUDE OIL OR PETROLEUM .
Ans 9:
Class : Class 8
In my case, I feel that (A)is a suitable answer. But the correct option is (C). Why?
Ans 10:
Class : Class 6
I think it should be A as it says that option C is Black Gold is another name for granite, but Black Gold is another name for petroleum.
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Subject :NSO Class : Class 7
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Subject :NSO Class : Class 6
Ans 1:
Class : Class 8
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 2:
Class : Class 8
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 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 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 6:
Class : Class 9
No ground water has impurities, minerals, gases and some microbes dissolved in it
Ans 7:
Class : Class 3
Let’s check whether the given statements are correct or incorrect:Statement 1: Groundwater is safe for drinking. ----- Correct.Statement 2: Groundwater is free from soluble impurities. ----- Correct.Groundwater is water that accumulates underground. Groundwater is safe for drinking, because it is naturally filtered through layers of rocks and soil. So it is free from soluble impurities. That means Statement 1 is correct, and Statement 2 is the correct explanation of Statement 1.Hence, the right answer is Option A.
Ans 9:
Class : Class 3
Let’s check whether the given statements are correct or incorrect:Statement 1: Groundwater is safe for drinking. ----- Correct.Statement 2: Groundwater is free from soluble impurities. ----- Correct.Groundwater is water that accumulates underground. Groundwater is safe for drinking because it is naturally filtered through layers of rocks and soil. So it is free from soluble impurities. That means Statement 1 is correct, and Statement 2 is the correct explanation of Statement 1.Hence, the right answer is Option A.