Cassiterite is concentrated by
Cassiterite is concentrated by Options (a) flustation (b) liquation (c) levigation (d) electromagnetic separation Correct Answer: Electromagnetic Separation Explanation: Cassiterite…
7 years ago
Surface Chemistry and Isolation of Elements
Carborundum is
Carborundum is Options (a) Al₂(SO₄)₃ (b) AlCl₃ (c) Al₂O₃2H₂O (d) SiC Correct Answer: SiCExplanation:Silicon carbide (SiC), also known as carborundum…
7 years ago
Which one of the following is not a sulphide ore
Which one of the following is not a sulphide ore Options (a) Magnetic (b) Iron pyrites (c) Galena (d) Sphalerite…
7 years ago
Among the metals Cr,Fe,Mn,Ti,Ba and Mg, the one that cannot be obtained by
Among the metals Cr,Fe,Mn,Ti,Ba and Mg, the one that cannot be obtained by reduction of its metal oxide by aluminium…
7 years ago
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…
7 years ago
Bauxite is concentrated by
Bauxite is concentrated by Options (a) magnetic separation (b) roasting (c) froth floatation process (d) chemical method Correct Answer: chemical…
7 years ago
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:CuFeS₂…
7 years ago
Which one of the following is a false statement
Which one of the following is a false statement Options (a) Cell fluid is an example of sol (b) Butter…
7 years ago
Aluminium is obtained by
Aluminium is obtained by Options (a) reducing Al₂O₃ with coke (b) electrolysing Al₂O₃ dissolved in Na₃AlF₆ (c) reducing Al₂O₃ with…
7 years ago
Which of the following is an ore of aluminium
Which of the following is an ore of aluminium Options (a) Dolomite (b) Azurite (c) Bauxite (d) Malachite Correct Answer:…
7 years ago