Q.

Identify the correct statements from the following :(a)CO2(g)  is used as refrigerant for ice-cream and frozen food(b) The structure of  C60  contains twelve six carbon rings and twenty five carbon rings(c) ZSM - 5, a type of zeolite, is used to convert alcohols into gasoline(d) CO is colourless and odourless gas

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a

(a) and (c) only

b

(b) and (c) only

c

(c) and (d) only

d

(a), (b) and (c) only

answer is C.

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Detailed Solution

c and d correct, Solid CO2 is a refrigerant but not CO2 gas C60 contains 20 six membered rings and 12 five membered rings
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Identify the correct statements from the following :(a)CO2(g)  is used as refrigerant for ice-cream and frozen food(b) The structure of  C60  contains twelve six carbon rings and twenty five carbon rings(c) ZSM - 5, a type of zeolite, is used to convert alcohols into gasoline(d) CO is colourless and odourless gas