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A quantity of 1 g of metal carbonate was dissolved in 25 ml of normal HCI. The resulting liquid requires 50 ml of N/10

A quantity of 1 g of metal carbonate was dissolved in 25 ml of normal HCI. The resulting liquid requires 50 ml of N/10 caustic soda solution to neutralize it completely. The equivalent weight of metal carbonate is (A) 10 (B) 20 (C) 100 (D) 50

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