Is the effect of hot and cold water on acid different?

When the acid is mixed with the water, an immediate chemical reaction takes place. The formation of carbon dioxide causes breakdown of the sample into finer particles.  

The heat in the Stomach rises up, causing esophageal reflux, chronic sinusitis, headaches, eye disorders and problems with the teeth. Furthermore, ingesting cold water creates moisture or “dampness.” Bacteria, candida, and parasites thrive in damp areas, especially in your stomach and uterus.

the answer to your question is c.

if you read the house of usher you should know that the house was haunted

a electronegativity decreases beacuse the size of nucleus is bigger.