Universal pH paper turns red if it is very strongly acidic, turns orange if it is strongly acidic, turns yellow if it is weakly acidic, green if it is weakly alkali and blue if it is strongly alkali.
Solution A will turn orange as it is strongly acidic
Solution B will turn blue as it is strongly alkali
Solution C will turn yellowish green as it is neutral
A halogen is example of
nonmetal. The answer is letter A. When compounds containing halogens they are
called salts thus the name “salt – former”. Halogen consists of Fluorine,
Chlorine, Bromine, Iodine, Astatine.
Atomic mass is the number of protons + number of neutrons. 11 protons + 12 neturons = 23
Answer:
Incomplete question. You didn't give the volume of HNO3
Answer:
Aluminum atomic number= 13
electron configuration = 2, 8 , 3
Hope it helps...........
