The motion of an electron in presence of a magnetic field is depicted in the figure.
Force acting on the electron will be directed
The pH of fresh milk is 6. When it turns sour, the pH
Two reactants in a flask produce bubbles and gas; it turns lime water into milky. The reactants in the flask are
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?