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  • Identify the correct statements from the following: (a)  is used as refrigerent for

Identify the correct statements from the following:

(a) CO_{2} (g) is used as refrigerent for ice-cream and frozen food.

(b) The structure of C_{60} contains twelve six carbon rings and 25 carbon rings.

(c) ZSM- 5, a type of zeolite, is used to convert alcohols into gasoline.

(d) CO is colourless and odourless gas.

Option: 1

(c) and (d) only


Option: 2

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


Option: 3

(a) and (c) only

 


Option: 4

(b) and (c) only


Answers (1)

best_answer

CO_2 is not used as a refrigerant for ice creams and frozen food because high working pressure is required for its cycles but dry ice is used to keep frozen food and ice-creams. 

C_{60} has twelve 5-member rings and twenty 6-member rings. 

ZSM-5  is a type of zeolite which is used to convert alcohols into gasoline. 

CO is Colorless and odorless gas.

Therefore, Option(1) is correct.

Posted by

Nehul

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