Awool cloth becomes positively charged as it
a) loses electrons
b) gains protons
c) loses protons
d) gains electrons

Option (A)

Explanation:

A body attains positive charge as some of the electrons removed from the body. As the electrons are negatively charged, if electrons removed, then the negative charge is removed and then the object remains some positive charge. because atom is electrically neutral.

no

sodium is solid at rt