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WorksheetsAIR AND ATMOSPHERE
Total questions: 11
Worksheet time: 13mins
How much percent of nitrogen is there
90%
50%
21%
78%
-------- is tasteless and colourless and is present everywhere
(a)
Air is mixture of ________
Elements
Gases
Compounds
Nitrogen
Moving air is called
Storm
Tsunami
Wind
Cyclone
Nitrogen is a major component of ________
Chlorophyll
Ozonation
Sulphur
When carbon dioxide is cooled to -57degree C it directly becomes a solid without changing to its liquid state it is called
(a)
Identify this image
Greenhouse effect
Water cycle
About solar eclipse
About global warming
Factories should use _________ dust collectors to remove dust and ________ from exhaust gases before they are let out into the atmosphere
(a)
Air pollution causes respiratory diseases such as______,________and _______. Any one of them you can write from the book.
(a)
identify this pic
(a)
identify this activity .
The activity is present in the book
(a)
