Answer:
true
Explanation:
when its asking for a chemical reaction its asking for if it changed or had any effects like changing color or having weird effects on things it is mixed with or touches so its true
True
coz it is when one or more substances are mixed to produce one substance
A highly corrosive acid should have a Ph balance between 0-6
NaF is a salt
b) H2CO3
The conjugate acid of HCO3– is Carbonic acid (H2CO3).
