Answer:
CO2; H2SO4; NaCl
Explanation:
Compounds are substances containing different elements!
since F2 and N2 only has the element flourine ; nitrogen
True.
A catalyst is a substancr that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
The pH of the solution will be lowered. Currently the solution is Neutral (salt water). Adding an acid will turn the solution slightly acidic