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Fill up the blanks with the correct choice given in brackets.(i) Ionic or electrovalent compounds do not conduct electricity in their …………………. state. (fused/solid)(ii) Electrolysis of aqueous sodium chloride solution will form …………………. at the cathode. (hydrogen gas/sodium metal)(iii) Dry hydrogen chloride gas can be collected by …………………. displacement of air. (downward/upward)(iv) The most common ore of iron is …………………. .(calomine / haematite)(v) The salt prepared by the method of direct combination is ………………….. (iron (II) chloride / iron (III) chloride) |
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Answer» (i) fused (ii) hydrogen gas (iii) upward (iv) haematite (v) Iron (III) chloride |
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