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"Smartindia is the best online tool for school students." Ms Deepa Chandran, Principal Anchal
"Smartindia is one of the best supplementary education tool for school students." Ms Pooja, Principal
Why air is called 'homogeneous'? |
Air is considered a homogeneous substance as the contents of air are dissolved in air completely in definite propotions. Air contains 78% nitrogen,21% oxygen and 1% the rest of the gases,water vapour and dust particles.this propotion is maintained throughout. |