Answer:
HNO3 is a strong acid
HCl is also a strong acid
NaCl is a salt so it is neither a strong acid nor a strong base
Ca(OH)3 is a strong base
Explanation:
Answer:
change of color
Explanation:
when a substance undergoes a change of color it is an indication that it was chemical
Answer:
The law of reflection states that the angle of incidence and the angle of reflection are always equal.