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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:​

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:​

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 60787 Points
3 years ago
Answer:

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

Thanks

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