Acid rain occurs when sulfur dioxide in the atmosphere is oxidized in the presence of nitrogen dioxide. acid rain is an example of a. a primary pollutant b. a secondary pollutant c. a tertiary pollutant d. none of the above.

answer: e.   sour taste

explanation: acids are those substances which dissociates in water to give ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. acids are sour in taste. example: hcl

bases are those substances which dissociates in water to give ions or accepts ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. bases are bitter in taste. bases are slippery in nature.