What must occur for a hypothesis to be considered fully proven? A
Newspapers must report the event.
B
Public opinion must agree with the results.
C
Other scientists must repeat the experiment and get the same results.
D
There must be a specific number of controlled experiments.

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.