Ello fellers A chemical change is also known as a:

1.endothermic reaction

2.exothermic reaction

3.solution

4.chemical reaction

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.

i think it's c. if you look search electronic symbol on google and then click on wiki it shows you a

може ли да зареждате повече информация, моля