Answer:
The correct answer is - D. Freezing point depression.
Explanation:
When rock salt is spread over snow-covered icy roads, it generates a liquid layer over it by melting from the surface thereby lowering or depression in the freezing point below the ice.
Therefore, due to this liquid layer comes into the contact with the ice present on the road and causes other ice to melts. This keeps on decreasing the volume of the ice on the road therefore, rock salts spread on the roads during a snowstorm.
Answer:
Alkaline earth metals
Explanation:
Group 2 has 2 valence electrons that they lose when being ionized, thus making their charge 2+.
Answer:MORE THAN 50 STUDIES WERE CONDUCTED
THE US PUBLIC HEALTH SERVICE WAS RESPONSIBLE FOR PART OF THE STUDY
Explanation: Just completed the assignment Egenuity , i hope this helps .
Answer:Increased the number of molecular collisions and increased the reaction rate
Explanation:
