Q. In KHCO₃, highest percentage composition is of

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Q. Valency of all of these ions is +1, except

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Q. Ca(OH)₂ indicates that molecule is formed through

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Q. In Calcium Hydroxide (Ca(OH)₂), valency of Ca is

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Q. Chemical formula of Sodium Sulfite is

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Q. Ions remaining unchanged in both reactants and products are called as

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Q. Chemical formula of Potassium Hydrogen Carbonate

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Q. Molar mass of Copper Oxide (Cu₂O) is

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Q. Consider reactants: HNO₃ and BaSO₃

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Q. In Na₂CO₃.10H₂O, after water, highest percentage composition is of

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Q. Copper can have a charge of

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Q. Formula of Calcium Hydrogen Carbonate indicates

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Q. Metal that burns even more brightly than Magnesium (Mg) is

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Q. Sulfite ion can be written symbolically as

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Q. Formula K₂SO₄ indicates that

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Q. Formula of carbonic acid indicates that

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Q. Valency of Ferrum can be

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Q. Formula of Zinc Chloride (ZnCl₂) indicates that charge on Zinc ion (Zn+2) is

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Q. Valency of iron (Fe) is

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Q. Consider Calcium Carbonate (CaCO₃) and Hydrochloric Acid (HCl) as reactants, molecules of Hydrochloric Acid (HCl) required to balance equation will be

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