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What is Litmus? what is the test for Acid and bases using litmus paper? |
Answer» <html><body><p><strong>Answer:</strong></p><p>The main use of litmus is to test whether a solution is <a href="https://interviewquestions.tuteehub.com/tag/acidic-847601" style="font-weight:bold;" target="_blank" title="Click to know more about ACIDIC">ACIDIC</a> or basic. Blue litmus paper turns <a href="https://interviewquestions.tuteehub.com/tag/red-613739" style="font-weight:bold;" target="_blank" title="Click to know more about RED">RED</a> under acidic conditions and red litmus paper turns blue under basic or alkaline conditions, with the color change occurring over the pH range 4.5–8.3 at 25 °C (<a href="https://interviewquestions.tuteehub.com/tag/77-335698" style="font-weight:bold;" target="_blank" title="Click to know more about 77">77</a> °F). Neutral litmus paper is purple.</p><p></p><p></p><p></p><p></p><p></p><p>Litmus is a water-soluble mixture of different dyes extracted from lichens. It is often adsorbed onto filter paper to produce one of the <a href="https://interviewquestions.tuteehub.com/tag/oldest-585375" style="font-weight:bold;" target="_blank" title="Click to know more about OLDEST">OLDEST</a> forms of pH indicator, used to test materials for <a href="https://interviewquestions.tuteehub.com/tag/acidity-847681" style="font-weight:bold;" target="_blank" title="Click to know more about ACIDITY">ACIDITY</a>.</p></body></html> | |