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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:

Shaurya Veer from Army Public School ASC C and C , Bangalore
Class : Class 10
The correct answer should be CFC

Ans 2:

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 3:

Adit Aggarwal from Vibgyor High, Bengaluru
Class : Class 5
The answer was supposed to be CFC .

Ans 4:

Deepika from Vibgyor high, Mumbai
Class : Class 1
It should be CFCS

Ans 5:

Aaditya Saxena from Ryan International School Pune, Pune
Class : Class 6
The Ans shud be B Carbon Dioxide. BBBBBBBBBBB

Ans 6:

BV Karthikeya from Sentia, Hyderabad
Class : Class 6

Ans 7:

Visakha Dhar from GD Goenka, jhajjar
Class : Class 3
the correct answer is CFCs .but is not mention in the option.

Ans 8:

ABHAY AGARWAL from ,
Class : Class 3

Ans 9:

Tanirika Bansal from DPS Faridabad, Faridabad
Class : Class 4
CFCS should be correct answer but I got it right

Ans 10:

Mohammad Shahid from Dayawati Modi International Maple Bear, Modipuram, Meerut 250110, Meerut
Class : Class 4
how the released gas from refrigerator is CO2

Ans 11:

SAURISH from R.N. Podar, Mumbai
Class : Class 10
THE OPTION SHOULD HAVE BEEN CFC OR WE CAN TAKE THE OPTION D [NITROGEN] BUT IT IS SHOWING WRONG

Ans 12:

BV Karthikeya from Sentia, Hyderabad
Class : Class 6
I GOT IT CORRECT

Ans 13:

Abhinav Kulkarni from National Centre For Excellence, Bengaluru
Class : Class 4
the ans should be CFC

Ans 14:

Rehaan Sejwal from Gyan Bharati school, Delhi
Class : Class 7

Ans 15:

somesh from Centre point katol road, Nagpur
Class : Class 6
It is CNG

Ans 16:

Mehvish Khursheed from DPSGV, ghaziabad
Class : Class 5
correct answer is CFC

Ans 17:

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 18:

Anika S Kumar from Alphabets International school , Chennai
Class : Class 7
Chloro-fluro-carbon

Ans 19:

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.

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