Q. If valency of both Calcium and Sulphate ion is 2, formula of calcium sulphate will be

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Q. In 10H₂O, total units of water molecules are

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Q. Radical refers to a

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Q. While calculating empirical formula, simplest ratio is obtained by dividing

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Q. To balance Al(OH)₃ + HNO₃ → Al(NO₃)₃ + H₂O, number of H₂O molecules produced will be

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Q. Hydrogen Sulfate (H₂SO₄) has

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Q. To balance Cu + H₂SO₄ → CuSO₄ + H₂O + SO₂; number of H₂SO₄ molecules will be

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Q. One molecule each of Magnesium Chloride (MgCl₂), Water (H₂O) and Carbon dioxide (CO₂) results if reactants are

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Q. An ionic equation chemical reaction,

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Q. All of these radicals have a valency of -1, except

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Q. Formula of Calcium Nitride (Ca₃N₂) is

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Q. Natural gas consists of

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Q. Consider chemical reaction ZnCO₃ + HNO₃ → Al(NO₃)₃ + H₂O, number of HNO₃ molecules required for a balanced equation will be

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Q. Formula of calcium hydrogen sulphate is

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Q. Valency is also referred to as

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Q. Calcium carbonate CaCO₃ is a

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Q. Chemical formula of aluminum nitrate is

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Q. Mass of an element in a compound can be calculated through

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Q. Relative atomic mass of 3O₃ is

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Q. Formula of potassium sulphate is

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