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 (<em>neutral</em>)
Equal number of positive and negative charges add up to make neutral Nacl therefore the statement above is true.
It created an opportunity for the mammals to become dominant on earth by wiping out the dinosaurs.
Except the c) sweat gland
Answer:
True
Explanation:
A sloping line on a speed-time graph represents an acceleration.
To calculate acceleration from a speed-time graph, you divide the change in velocity by the time taken for the change.
