Galena (PbS) on heating in limited supply of air gives lead metal. This is known as

Galena (PbS) on heating in limited supply of air gives lead metal. This is known as
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Galena (PbS) on heating in limited supply of air gives lead metal. This is known as A. ... B. Calcination C. Self reduction D. Sulphatizing roasting
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Carbonisation of coal consists of  A. drying and crushing the coal to a fine powder  B. moulding the finely ground coal under pressure with or without a binding material  C. heating the wood with a limited supply of air to temperature not less than 280°C  D. none of the above

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Last Answer : (3) Lead sulphide Explanation: Galena, also called lead glance, is the natural mineral form of lead sulfide. It is the most important ore of lead and an important source of silver.

Why lime stone is added in the extraction of lead from galena ?

Description : Why lime stone is added in the extraction of lead from galena ?

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Why lime stone is added in the extraction of lead from galena?

Description : Why lime stone is added in the extraction of lead from galena?

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Description : __________ is an ore of lead. (A) Quartz (B) Galena (C) Siderite (D) Chalcopyrite

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Galena is a primary ore of which of the following metals? w) zinc x) tungsten y) lead z) silver

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Description : Processed Galena produces which metal?

Last Answer : Lead

Processed Galena produces which metal

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Description : A green coloured solid compound ̳X , gets oxidized to reddish brown solid in presence of air. ̳X on heating gives brown coloured solid ̳Y and two pungent smelling gases ̳A and ̳B . ̳A turns acidified potassium ... , SO 3 , decomposition (d) FeSO 4 , Fe 2 O 3 , SO 3 , SO 2 , decomposition

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