Questions

The first step is to disarm and secure detainees when supervising detainee operations.

Delhi state police has launched e-learning portal 'Nipun' for training all its police officers to give up to date information through specialized courses designed by experts.

China has built an 'artificial sun' that reaches 100million °C, 6 times temperature of Sun’s core.

Oxygen crosses a plasma membrane by Osmosis.

To get the mass of a mole of NaCl, we need to add the molar atomic weights of the individual elements i.e, Na and Cl

Atomic weights of Na = 22.99 gm/mol  Cl = 35.45 gm/mol

Now, mass of a mole of NaCl = 22.99 + 35.45 = 58.44 gm/mol.