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प्रश्न
How will you identify?
An amphoteric hydroxide
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उत्तर
Zinc hydroxide is an amphoteric hydroxide. It can be identified by treating the salt solution with sodium hydroxide, if a white ppt. is formed and if it gets dissolved in excess of sodium hydroxide then it may be zinc hydroxide.
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संबंधित प्रश्न
Name the gas that is produced in the given case:
An action of dilute hydrochloride acid on sodium sulphide.
Give a chemical test to distinguish between the given pairs of chemicals:
Sodium chloride solution and Sodium nitrate solution
Explain why dilute hydrochloric acid cannot be concentrated by boiling beyond 22.2%.
Give three distinct test [apart from using an indicator] you would carry out with solution of HCl to illustrate the typical properties of an acid.
State the composition of aqua regia. State which component is the oxidizing agent in aqua regia.
Name the following:
A metallic oxide which reacts with hydrochloric acid to give a coloured solution.
Fill in the blank:
On addition of silver nitrate to hydrochloric acid ___________ precipitate is formed which is soluble in ____________
Write the balanced equation for the reaction of dilute hydrochloric acid with the following:
Magnesium sulphite
State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.
The ratio between the volumes occupied by 4.4 grams of carbon dioxide and 2 grams of hydrogen gas is ______.
