Using oxidation number to support your answer , state which reactant is acting as an oxidising agent and which is acting as a reducing agent . CH4(g)+4CuO(s)》4CU(s)+CO2(g) +H2O(g)

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.

idk what is it? is this a question that you know the answer or u dont

pv=nrt

explanation: