WebApr 5, 2024 · hydrogen (H), a colourless, odourless, tasteless, flammable gaseous substance that is the simplest member of the family of chemical elements. The hydrogen atom has a nucleus consisting of a proton … WebAir Around Us Class 6 MCQs Questions with Answers. I. Choose the correct option. Question 1. What are the properties of air? (a) It occupies space. (b) It is present everywhere around us. (c) It has no colour and is transparent. (d) All of the above. Answer.
NCERT Solutions Class 6 Science Chapter 15 Air Around Us
WebFeb 2, 2011 · Atmospheric air is a mixture of nitrogen and oxygen being the earth atmosphere. Main components of air which are practically the same throughout the globe are nitrogen (78.08 volume per cent) and oxygen (20.95 v.%). Along with them air contains 0.94 v.% of inert gases and 0.03 v.% of carbon dioxide. The air of such a composition is … WebApr 13, 2024 · The Tropospheric Emissions Monitoring of Pollution (TEMPO) instrument, which is about the size of a washing machine, will enable scientists to monitor air pollutants and their emission sources from space.. TEMPO will measure pollution and air quality across greater North America on an hourly basis during the daytime, from Puerto Rico up … overview tours
MCQ Questions for Class 6 Science Chapter 15 Air Around Us
WebApr 11, 2024 · The Finnish President, Sauli Niinistö, stated that “the era of military non-alignment in our history has come to an end”. Finland, after repelling an invasion attempt by the Soviet Union during the Second World War, had opted for non-alignment and maintained friendly relations with Russia.; The latest move has led to concerns among the Russian … WebMay 13, 2024 · Air is a mixture of gases, 78% nitrogen and 21% oxygen with traces of water vapor, carbon dioxide, argon, and various other components. We usually model air as a uniform (no variation or fluctuation) gas with properties that are averaged from all the individual components. Any gas has certain properties that we can detect with our senses. WebProperties of air The properties of air are: 1. Air takes up space. 2. Air has mass. 3. Air is affected by heat. 4. Air exerts pressure. 5. Air can be compressed 6. Air is affected by … overviewts.com