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प्रश्न
Explain the term ‘dry ice’. State its application.
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उत्तर
Liquid carbon dioxide on sudden evaporation results in freezing and forming solid carbon dioxide called 'dry ice'.
Applications : Dry ice is used as a refrigerant for the preservation of foods as it freezes faster and lasts longer than ordinary ice.
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संबंधित प्रश्न
Name the scientist who disproved the 'vital force theory' for the formation of organic compounds.
State three ways by which carbon dioxide gas is added into the atmosphere.
Select the appropeiate option of the following statement:
The type of coal with the highest carbon conent.
Give a balanced equation for the following conversion: [In one or two steps]
A metallic oxide to calcium carbonate.
The property of self-linkage among identical atoms to form long chain compounds is known as ______.
______ is the main constituent of coal.
A large family of fullerene exists, starting at ______ and ______ reaching up to.
There is more abundance of carbon on the earth.
Assertion (A): Carbon monoxide is a toxic gas of carbon.
Reason (R): smoking is a source of carbon monoxide.
Why is carbon monoxide harmful to health? (or) What happens when we breathe Carbon monoxide?
