The compound Fe(NO2)2 is Iron (II) Nitrite.
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Answer:
The 3rd choice
Explanation:
A strong acid ionises COMPLETELY in water to produce high concentration of hydrogen ions
A weak acid ionises PARTIALLY in water to produce low concentration of hydrogen ions
Your body now has a static charge. When you touch the metal knob, electrons suddenly move from your body through your fingertips to the metal doorknob as a static discharge.
D
B
C
D
I don't think all these answers are right but Those are my best answers
