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प्रश्न
The hardness of water can be determined by volumetrically using the reagent
विकल्प
sodium thiosulphate
potassium permanganate
hydrogen peroxide
EDTA
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उत्तर
EDTA
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संबंधित प्रश्न
Water gas is
Assertion: Permanent hardness of water is removed by treatment with washing soda.
Reason: Washing soda reacts with soluble calcium and magnesium chlorides and sulphates in hard water to form insoluble carbonates.
The cause of permanent hardness of water is due to
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In solid ice, the oxygen atom is surrounded
Water is a _________.
What is a water-gas shift reaction?
A group-1 metal (A) which is present in common salt reacts with (B) to give compound (C) in which hydrogen is present in –1 oxidation state. (B) on reaction with a gas (C) to give universal solvent (D). The compound (D) on reacts with (A) to give (E), a strong base. Identify A, B, C, D and E. Explain the reactions.
