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Class 10Carbon and its Compounds— NCERT Science, Chapter 4. The fourth chapter of NCERT's Class 10 Science book explains why one element, carbon, forms millions of compounds. Carbon has four valence electrons and neither gains…
Class 12Microbes in Human Welfare— NCERT Biology, Chapter 8. The eighth chapter of NCERT's Class 12 biology book, closing Unit VIII, shows microbes as helpers. Lactic acid bacteria turn milk into curd and raise its vitamin B12…
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