Water Resources Class 10 | जल संसाधन | Jal Sansadhan | One Shot | Ch 3 | Geography | Boards | NCERT

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Class 10 English All Poems Revision | One Shot | First Flight All Poems | Most Important Questions

Is NCERT Enough for Class 10 Boards?

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A water tank of height 10 m , completely filled with water is placed on a level ground. It has two holes one at 3m and the other at 7m form its base. The water ejecting from

One litre of a sample of hard water contains 1 mg of CaCl_(2) and 1 mg of MgCl_(2) . Find the total hardness of water in terms of parts of CaCO_(3) per 10^(6) parts of water by mass.

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