Which one of the following is used as a refrigerant for ice-cream and frozen foods?
- ADry $CO_2$
- BLiquid $CH_4$
- CDry ice
- DLiquid $H_2$
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Similar Questions
How many corners of $SiO_4$ units are shared in the formation of three dimensional silicates?
$(1)$ Half-life of $^{14}C$ is $...........$
$(2)$ $..........$ isotope of carbon is used in radiocarbon dating.
$(3)$ Main component of ceramic,cement and glass is $........$
$(2)$ $..........$ isotope of carbon is used in radiocarbon dating.
$(3)$ Main component of ceramic,cement and glass is $........$
Medium
View Solution$A$ thin film of aluminum deposited on glass acts as a good mirror because ...............
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View SolutionIdentify the incorrect statement about silica $(SiO_2)$.
Monosilane,on coming in contact with air,burns with a luminous flame producing vortex rings. These rings are of:
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