ABHAY AGARWAL
from
,
Subject :NSO Class : Class 4
Whenever we use the air conditioner, refrigerator, T.V., etc., we send X gases into the air. Which of these is also an X gas?
A CNG
B Carbon dioxide
C Oxygen
D Nitrogen
Not possible....Ans shd be A (CNG)
Ans 1:
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Mohammad Shahid
from
Dayawati Modi International Maple Bear, Modipuram, Meerut 250110, Meerut
Class : Class 4
how the released gas from refrigerator is CO2
Ans 2:
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Abhinav Kulkarni
from
National Centre For Excellence, Bengaluru
Class : Class 4
the ans should be CFC
Ans 3:
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Aaditya Saxena
from
Ryan International School Pune, Pune
Class : Class 6
The Ans shud be B Carbon Dioxide. BBBBBBBBBBB
Ans 4:
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SRISANTH
from
Edify, Tirupathi
Class : Class 5
Actually it is b ,as a is CNG(compressed natural gas which is a energy source that is not a greenhouse gas
Ans 7:
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Mohhika Sharma
from
Delhi Public School Greater Noida, Greater Noida
Class : Class 7
I think the answer should be CFC but it is not in the options only.But I also think that it is CO2.
Ans 9:
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Tanirika Bansal
from
DPS Faridabad, Faridabad
Class : Class 4
CFCS should be correct answer but I got it right
Ans 10:
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Visakha Dhar
from
GD Goenka, jhajjar
Class : Class 3
the correct answer is CFCs .but is not mention in the option.
Ans 13:
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Shaurya Veer
from
Blooming Dales International School, Sri Ganganagar
Class : Class 9
The correct answer should be CFC
Ans 15:
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Nishchita
from
Gems Modern Academy , Dubai
Class : Class 8
The answer is B as when we use electricity fuel gets burnt and so it produces carbon dioxide.
Ans 16:
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Ans 18:
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Ans 19:
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SAURISH
from
R.N. Podar, Mumbai
Class : Class 7
THE OPTION SHOULD HAVE BEEN CFC OR WE CAN TAKE THE OPTION D [NITROGEN] BUT IT IS SHOWING WRONG