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(i) Explain why is hydrochloric acid a strong acid and acetic add, a weak acid. How can it be verified ? OE Explain why aqueous solution of an add conducts electricity ? (lii) You have four solutions A, B, C and D. The pH of solution A is 6, B is 9, C is 12 and D is 7, (a) Identify the most acidic and most basic solutions. (b) Arrange the above four solutions in the increasing order NH" ion concentration. (c) State the change in colour of pH paper on dipping in solution C and D. CBSE Class X Science LA (5 Marks) |
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Answer» Because HYDROCHLORIC acid is REACTIVE than acetic acid ELECTRICITY PASS through hydrochloric acid |
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