Question

A drop of colourless liquid was placed on blue litmus paper. The litmus paper turned red. The liquid could be:-


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Answer 1

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$First\:Of\:All\:It's\:An\:Acid\:Because\:This\:Property\:of\:Changing\:Blue\:Litmus Paper\:to\:Red\:shows\:Only\:Acid.. </p><p></p><p></p><p>And\:Second\:Thing\:If\:it\:Is\:Colourless\:So\:What\:I\:can\:Predict\:that\:it\:May\:Be \\ </p><p>Hydrochloric\:Acid (HCl) or Sulfuric\:Acid (H2SO4) </p><p></p><p>$