Subject :NSO Class : Class 5
Which of the following statements is incorrect?
A Precious metals like gold and platinum are used for making jewellery.
B Dentists use powdered pumice for polishing our teeth.
C Black gold is another name of granite.
D Shale is used to make tiles and bricks.
Ans 1:
Class : Class 5
c is the correct answer
Ans 2:
Class : Class 6
Ans is C because Black Gold is another name for coal.
Ans 3:
Class : Class 5
THE CORRECT ANSWER IS C, BECAUSE BLACK GOLD IS ANOTHER NAME FOR CRUDE OIL OR PETROLEUM .
Ans 4:
Class : Class 8
In my case, I feel that (A)is a suitable answer. But the correct option is (C). Why?
Ans 5:
Class : Class 8
Ans 6:
Class : Class 10
Ans 7:
Class : Class 7
I prefer option C.
Ans 8:
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 9:
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.
Ans 10:
Class : Class 1
Ans 6 is absolutely right. Ans is C.
Ans 11:
Class : Class 6