Why does the water in tanks and ponds not freeze in winter ?
In the calculation of calorific value of any fuel why the latent heat of vap. of water is taken as 587 kj/mol whereas actually it is 540kj/mol?
Why titration in which hcl and h2so4 is use?
Which expands to the greatest, when heated : silids, liquids or gases ?
What is the difference between iron and steel ?
What is Salts ?
What is Evaporation ?
What is chemistry ?
why we shrink our body during cold
Why do clothes dry quicker in wind than in still air ?
pH is having unit?
Explain the Hydrogen and its Compounds ?
Which is heavier, water or ice ?