jisko nhi aata answer plz vo mt ans dena
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.clay, 3. concave mirror (magnifying mirror), 4.CaO (quick lime), 5. option c (17 =2+8+7) , 6. law of conservation of mass , 7. myopia (short-sightedness correction by concave lens ), 8. convex lens (hypermetropia or farsightedness)
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