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IX T1x compound.l affecting me ozone layer orlhe atmosphere are CA) Lead teUU-alJcyls
Meta] carbonyls
OtloroOuoro carbons


(D)

135. Which of lIIe following is one of the major components of lCid rain 1
Hydrochloric acid
Acetic acid
Phosphoric acid
Sulphuric acid



IJ6. Which ooe of the following non • metal is a pool" conduClOI" of electricity 1
.x. C'Num

137. Wlw is the colour of fresh domestic sewage?
Dart brown Red
Black Grey



138. One of the followinJ is an inlernatioPal .gency workinI foc prol«liOll of the enviroament.
A NOASAr>... <B(D»
«
reen

139. Whicb or the foUowina affe(1.l; biodh'erUty
Envit'Ol1lDetltal Ponution
Occ:ll acidifkauon
Climatedlarlle



(0) All of the above 1.w,. Coal is reprdcd as the WORt envirorl nta1 pollutant when burnt
becaU5c. ill burning releases large amounlJ or
1.
c.rbon dioxide

2.
SUlphur dioxide NilrOgen oxides Melhane



Which of the .bove statements are true?
1and 4 1,2 and 3


(C)
1,3and4 1,2,3and4


141, India witnessed its biggest ever power blackout on August 2012 due 10 collapse of CA) Northern power grid
Southern power
Eastern power gnd
Western power grid



142. cof the i"f/"'dng has recenlly been declared unlawful by the Hum,.,
SIMI Salwa Judum
Shiv Sena