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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
State your observation when dilute hydrochloric acid is added to a lead nitrate solution and the mixture is heated.
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%.
State which component is the oxidizing agent in aqua regia.
Name the following:
A chemical in which gold can be dissolved.
- What must be added to sodium chloride to prepare hydrogen chloride?
- Write the equation for the reaction which takes place in question (a).
Write balanced equation for the following reaction:
Copper oxide and dilute hydrochloric acid.
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 ______.
