Which of the following is the correct fo...

Which of the following is the correct formula of gypsum?

A

`CuSO_4. 2H_2O`

B

`CaSO_4. 1/2 H_2O`

C

`CuSO_4.5H_2O`

D

`CaSO_4.2H_2O`

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The impurity present in the ore is called as:
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Which of the following is carbonate ore?
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Which of the following is the correct formula of gypsum?
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The oil used in froth flotation process is
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Froth flotation is the method used for purification of-----------ore.
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Galen is an ore of?
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The metal that occurs in the native form is?
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Most abundant metal in the earth's crust is
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The reducing agent in thermite process is?
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The purpose of smelting an ore is
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The oil used in froth flotation process is
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Why do we purify the crude metal although it is dressed ?
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Which type of process the smelting is ?
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List three metals that are found in nature as oxide ores.
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Write a note on dressing of ore in metallurgy.
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What is an ore? On what basis a mineral is chosen as an ore?
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Write the names of any two ores of iron?
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Which one of the following reacts with Aluminium is used to join railw...
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Pyrolousite is an ore of
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Which of the following is the outlet through which fuel gases go out ...
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