One of the following metals is obtained by leaching its ore with
One of the following metals is obtained by leaching its ore with dilute cyanide solution, Identify it. Options (a) titanium…
7 years ago
Surface Chemistry and Isolation of Elements
The ore horn silver corresponds to
The ore horn silver corresponds to Options (a) AgCl (b) AgBr (c) Ag₂S (d) 3Ag₂S.Sb₂S₃ Correct Answer: AgClExplanation:No explanation available.…
7 years ago
The method of zone refining of metals is based on the principle of
The method of zone refining of metals is based on the principle of Options (a) greater mobility of the pure…
7 years ago
Silver is present in
Silver is present in Options (a) limonite (b) magnetite (c) galena (d) dolomite Correct Answer: galenaExplanation:No explanation available. Be the…
7 years ago
The role of cryolite in the metallurgy of extraction of aluminium is to
The role of cryolite in the metallurgy of extraction of aluminium is to Options (a) increase the conductivity of the…
7 years ago
Pyrolusite is an ore of
Pyrolusite is an ore of Options (a) manganese (b) tin (c) lead (d) polonium Correct Answer: manganeseExplanation:No explanation available. Be…
7 years ago
Aluminium is extracted from alumina (Al₂O₃) by electrolysis of a molten mixture
Aluminium is extracted from alumina (Al₂O₃) by electrolysis of a molten mixture of Options (a) Al₂O₃ + HF + NaAlF₄…
7 years ago
Mg is present in
Mg is present in Options (a) chlorophyll (b) haemoglobin (c) vitamin-D (d) vitamin-B Correct Answer: chlorophyllExplanation:No explanation available. Be the…
7 years ago
Method used for obtaining highly pure silicon, used as a semiconductor material,
Method used for obtaining highly pure silicon, used as a semiconductor material, is Options (a) crystallization (b) zone refining (c)…
7 years ago
Roasting is done in
Roasting is done in Options (a) blast furnace (b) reverberatory furnace (c) electric furnace (d) refractory furnace Correct Answer: reverberatory…
7 years ago