When sodium chloride is formed from a positively charged sodium atom and a negatively charged chlorine atom, the charge on the salt becomes neutral  is true
 Explanation
 Sodium ion ( positively charged) combine with chloride ion ( negatively charged) to sodium chloride which is neural according to equation below.
 Na⁺ + Cl⁻ → NaCl (neutral) 
Equal number of positive and negative charges add up to make neutral Nacl therefore the statement above is true.