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Why does not wall imidiately acquire white colour when a coating of slaked lime is applied?
As slaked lime is of calcium hydro oxide it takes time. when heat react with calcium hydro oxide the water of calcium get evaporated it become quick lime (calcium carbonate). as the water evaporated the carbon dioxide get a chance to react with calcium carbonate and forms white colour.....
ANSWERED BY:
SAMRIDHI KAUSHAL
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Why does not a wall immediately acquire a white colour when a coating of slaked lime is applied on it?
as slaked lime is of calcium hydro oxide it takes time. when heat react with calcium hydro oxide the water of calcium get evaporated it become quick lime (calcium carbonate). as the water evaporated the carbon dioxide get a chance to react with calcium carbonate and forms white colour
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Dip coating is a method used to apply a protective or decorative layer on an object by immersing it in a liquid coating material and then removing it at a controlled speed. It’s commonly used for metals, ceramics, plastics, and even glass. How It’s Applied: Preparation – The surface is cleaned and prepped. Dipping – The item is dipped into the coating solution. Withdrawal – It’s slowly pulled out to ensure an even coat. Drying/Curing – The coating is dried or cured to harden the finish. It’s efficient and ensures uniform coverage.
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I suppose that the flame test was not applied to californium.
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What is the colour of the coating formed on the zinc granules when zinc reacts with ferrous sulphate?
The coating formed on the zinc granules when zinc reacts with ferrous sulfate is black in color. It is due to the formation of ferrous sulfide as a result of the reaction.
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It wasn't the red colour is from lacquer which is applied after the brass is formed into the trumpet shape.
