Air
Crossword
Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
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Check
Across:
1.
used as refrigerant
3.
process of converting solid into vapors
4.
_ is the water produced when carbon dioxide is dissolved in water under pressure.
6.
Gaseous jacket that surrounds the earth is called
7.
irritates eyes and skin of human beings.
8.
Third most abundant element after Hydrogen and Helium in the universe is _.
Down:
1.
Carbon dioxide is acidic in nature and turns _ water milky
2.
_ refers to an average increase in the temperature of the atmosphere.
5.
metals have _ oxides
OK