Answer:
Red cabbage juice contains a natural pH indicator that changes colors depending on the acidity of the solution. The pigment in red cabbage that causes the red color change is called flavin (an anthocyanin). ... At a lower pH, more hydrogen ions are in solution, and therefore the solution is acidic
Actually I don't know but I tried so I hope it helped u!
Explanation:
An acid is a substance which donates hydrogen ions into solution, while a base or alkali is one which takes up hydrogen ions.
Answer:
D
Explanation:
cracks from temperature changes is a type of physical weathering often known as freezing and thawing
a binary compound
Sorry that I dont have an explanation....its just something that needs memorized :)
Hope this helps! Please correct me if I'm wrong!
1 elements
2 they have same number of valence electrons
3 period