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        <loc>https://www.selfstudys.com/books/cbse-lab-manual/english/9th/to-obtain-aparallelogram-by-paper-folding-whose-adjacent-sides-are-given/57249</loc>
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        <loc>https://www.selfstudys.com/books/cbse-lab-manual/english/12th/experiment/to-find-the-frequency-of-the-ac-mains-with-a-sonometer/1195290</loc>
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        <lastmod>2025-12-12T07:02:07+00:00</lastmod>
    </url><url>
        <loc>https://www.selfstudys.com/books/cbse-lab-manual/english/12th/experiment/to-find-the-refractive-index-of-a-liquid-by-using-a-concave-mirror-and-a-plane-mirror/1195282</loc>
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        <loc>https://www.selfstudys.com/books/cbse-lab-manual/english/11th/quantitative-estimation-volumetric-analysis/experiment-prepare-m-10-oxalic-acid-solution/122991</loc>
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        <loc>https://www.selfstudys.com/books/cbse-lab-manual/english/11th/experiment/floral-dissection/123021</loc>
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