Which of the following is the best hypothesis? O A. Water and Air would be a good name for a rock band. O B. Water is often warmer than air . O C. How much energy do I need to heat 100 g of water from 20°C to 40°C? O D. More energy is needed to heat 100 g of water than to heat 100 g of air.

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.