PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoAnswer the following questions:
1. The mass per unit volume of a substance is called density.
(density = mass/volume).
Arrange the following in order of increasing density - air, exhaust from chimneys, honey, water, chalk, cotton and iron.
Arrange the following in order of increasing density - air, exhaust from chimneys, honey, water, chalk, cotton and iron.
The order of is air < exhaust from chimney < cotton < water < honey < chalk < iron.
2. Why do the states of matter differ?
The difference in various states of matter is due to the between the constituent particles.