MIXTURE Question 19
0/11.5 pts
Choose Physical or Chemical Change to describe the changed described.
When a teaspoon of baking soda (sodium bicarbonate) is placed into a few
ounces of vinegar (acetic acid), volumes of bubbles (effervescence) are
produced
Orrect Answer
Chemical
OU Ans
What is the answer

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.

c. electrical charges of ionic bonds.

the answer is c.the valence of the atoms combine .

answer; capital earns interest; entrepreneurship receives a profit or incurs a loss;