Answer:
A concentrated acid is an acid which is in either pure form or has a high concentration. Laboratory type sulfuric acid (about 98% by weight) is a concentrated (and strong) acid. A dilute acid is that in which the concentration of the water mixed in the acid is higher than the concentration of the acid itself.
Explanation:
Concentrated acid - Those acids which are pure or have very high concentration in water are called as concentrated acids. For example concentrated Hydrochloric acid (HCl) and concentrated Sulphuric acid are examples of concentrated acids.
The cell walls are different, plant cells require more rigidity. that's all I know
Answer:
I belive its the acid anwser because it can make rust which is a chemical change
Explanation:
Ca, V, Cu, Kr
Remember a period is a the horizontal rows in the Periodic Table.
