Chemistry

Carnallite on electrolysis gives

Carnallite on electrolysis gives Options (a) Ca and Cl₂ (b) Na and CO₂ (c) Al and Cl₂ (d) K and…

Electromagnetic separation is used in the concentration of

Electromagnetic separation is used in the concentration of Options (a) copper pyrites (b) bauxite (c) cassiterite (d) cinnabar Correct Answer:…

Sea weeds are an important source of

Sea weeds are an important source of Options (a) fluorine (b) bromine (c) sulphur (d) iodine Correct Answer: iodineExplanation:No explanation…

Thomas slag is

Thomas slag is Options (a) CaSiO₃ (b) Ca₃(PO₄)₂ (c) MnSiO₃ (d) CaCO₃ Correct Answer: Ca₃(PO₄)₂Explanation:No explanation available. Be the first…

Bauxite is concentrated by

Bauxite is concentrated by Options (a) magnetic separation (b) roasting (c) froth floatation process (d) chemical method Correct Answer: chemical…

Copper pyrite, the chief ore of copper, is

Copper pyrite, the chief ore of copper, is Options (a) CuFeS₂ (b) Cu₂S (c) CuCO₃.Cu(OH)₂ (d) Cu₂O Correct Answer: CuFeS₂Explanation:No…

The metal used to recover copper from a solution of copper sulphate is

The metal used to recover copper from a solution of copper sulphate is Options (a) Na (b) Fe (c) Hg…

Malachite is an ore of

Malachite is an ore of Options (a) Fe (b) Ag (c) Cr (d) Cu Correct Answer: CuExplanation:No explanation available. Be…

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…

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.…