What is the chemical test to distinguish between Dil HCl and conc HCl?

1.	What is the chemical test to distinguish between Dil HCl and conc HCl?
Answer» Answer: when dil hcl REACTS with NA2CO3 it gives a gas turns LIME water milky and has no effect on codified K2Cr207 paper (CO2) while conc.HCl cannot REACT

Answer»

Answer:

when dil hcl REACTS with NA2CO3 it gives a gas turns LIME water milky and has no effect on codified K2Cr207 paper (CO2) while conc.HCl cannot REACT

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