Willemite Is

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Question

Willemite is

easy

Solution

Correct option is

Zn₂SiO₄

Willernite, a rare zinc silicate mineral, is Zn₂SiO₄. It has trigonal symmetry and is strongly fluorescent green.

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SIMILAR QUESTIONS

Q1

‘Lapis-Lazuli’ is a blue coloured precious stone. It is mineral of the class

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Q2

Gallium arsenide is purified by

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Q3

Which of the following is correct?

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Q4

Metals found in free as well as combined states are

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Q5

By which of the following processes, the ore is made porous?

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Q6

Stainless steel has iron and

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Q7

Thermite process is used in reduction of

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Q8

Bauxite ore is made up of Al₂O₃ + SiO₂ + TiO₂ + Fe₂O₃. This ore is treated with conc. NaOH solution at 500 K and 35 bar pressure for few hours and filtered when hot. In the filtrate, the species present are

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Q9

When copper pyrites is roasted in excess of air, a mixture of CuO + FeO is formed. FeO is present as impurities. This can be removed as slag during reduction of CuO. The flux added to form slag is

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Q10

The temperature of the slag zone in the metallurgy of iron using blast furnace is

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