Advertisements
Advertisements
प्रश्न
Explain the term ‘dry ice’. State its application.
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.
APPEARS IN
संबंधित प्रश्न
Fill in the blank.
The name ‘carbon’ is derived from the Latin word...........
Give two uses for the following:
wood charcoal
FILL IN THE BLANK
..................... is used as a pigment and colouring matter in ink and shoe polish.
What is the name of the famous diamond that was found in Wajrakarur in Andhra Pradesh ?
Answer the following question.
Why are methane compounds have low melting and boiling points?
State in brief the transformation of vegetable matter to different types of coal varying in carbon content.
Starting from carbon dioxide how would you obtain a fertilizer.
[Give balanced equations for the same]
Give a balanced equation for the following conversion: [In one or two steps]
Calcium bicarbonate to calcium nitrate using a dilute acid.
Carbon monoxide displaces ______ from hemoglobin.
There is more abundance of carbon on the earth.
