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Grade: 12th pass

                        

blue litmus paper is brought near the mouth of the delivery tube to check the presence of HCL acid but no change is observed in the color of litmus paper because:​

one month ago

Answers : (1)

Pawan Prajapati
askIITians Faculty
2023 Points
							Answer:

there is no hcl present if acid or hcl was present the blue litmus have changed into red

Thanks
one month ago
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