Two reactants in a flask produce bubbles and gas; it turns lime water into milky. The reactants in the flask are
The reaction gives out carbon dioxide which turns lime water milky.
Metalloids are
Turmeric (Haldi) rapidly becomes colourless on addition of
A gas is evolved when a piece of zinc metal placed in dilute sulphuric acid (H2SO4). What is the gas?
Biogas consists of mainly
Oxygen on reaction with non-metals forms oxides, which are