In isolation of which one of the following metals from their ores, the use of cyanide salt is no... VIDEO
In isolation of which one of the following metals from their ores, the use of cyanide salt is not commonly involved?
(a) Zinc
(b) Gold
(c) Silver
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live
Other Videos By PW Solutions 2023-06-09 If \( |a+b||a-b| \), then the angle between \( a \) and \( b \) is
(a) acute
(b) obtuse
(c) \( \... 2023-06-09 If \( A B C D \) is parallelogram, \( A B=2 \hat{i}+4 \hat{j}-5 \hat{k} \) and \( A D=\hat{i}+2 ... 2023-06-09 The position vector of the points which divides internally in the ratio \( 2: 3 \) the join of t... 2023-06-09 The vector \( A B=3 i+5 j+4 k \) and \( A C=5 i-5 j+2 k \) are side of \( \triangle A B C \). Th... 2023-06-09 The vectors \( \hat{i}+2 \hat{j}+3 \hat{k}, \lambda \hat{i}+4 \hat{j}+7 \hat{k},-3 \hat{i}-2 \ha... 2023-06-09 The correct option(s) related to the extraction of iron from its ore in the blast furnace operat... 2023-06-09 The position vectors of the point \( A, B \) and \( C \) are \( \hat{i}+2 \hat{j}-\hat{k}, \hat{... 2023-06-09 If the position vectors of the vectices \( A, B, C \) of triangle \( A B C \) are \( 7 \hat{j}+1... 2023-06-09 The correct statement(s) related to the metal extraction processes is (are):
(a) A mixture of \(... 2023-06-09 The electrochemical extraction of aluminium from bauxite ore involves:
(a) The reaction of \( \m... 2023-06-09 In isolation of which one of the following metals from their ores, the use of cyanide salt is no... 2023-06-09 In the extraction of copper, \( \mathrm{FeO} \) and \( \mathrm{FeSiO}_{3} \) are respectively op... 2023-06-09 Which method of purification is used for the purification of low melting point metal?
(a) Chroma... 2023-06-09 Statement-I: Pig iron can be obtained from cast iron.
Statement-I: Cast iron has least carbon co... 2023-06-09 Statement-I: Ellingham Diagram is used to check which metal oxide to be reduced by which substan... 2023-06-09 The compound that is(are) removed as slag during the extraction of copper is;
(A) \( \mathrm{CaO... 2023-06-09 Statement-I: Sphalerite is an ore of \( \mathrm{Zn} \) while galena is an ore of \( \mathrm{Pb} ... 2023-06-09 Consider two chemical reactions \( (\mathrm{A}) \) and (B) that take place during metallurgical ... 2023-06-09 The metal that can be purified economically by fractional distillation method is:
(a) \( \mathrm... 2023-06-09 Comprehension Read the following graph and answer the following questions.
To make the following... 2023-06-09 Identify the correct formula for fluorapatite among following:
(a) \( \mathrm{Ca}_{9}\left(\math...