Question

20g কস্টিক সোডায় গ্রাম অনুর সংখ্যা কত?​

Answer 1

Explanation:

1. The system which use electrical power for traction system i.e. for railways, trams, trolleys, etc. is called electrical traction. The track electrification refers to the type of source supply system that is used while powering the electric locomotive systems. It can be AC or DC or a composite supply.

Answer 2

SODIUM BICARBONATE = BAKING SODA