Calcium floats on water during the reaction with water.
Solution : (1) Calcium reacts with water less vigorously hence the heat evolved is not sufficient for hydrogen to catch fire. <br> (2) Instead, calcium floats on water because the bubbles of hydrogen gas formed stick to the surface of the metal.
Ab Padhai karo bina ads ke
Khareedo DN Pro and dekho sari videos bina kisi ad ki rukaavat ke!