Chlorine is in +1 oxidation state in which of the following
Chlorine is in +1 oxidation state in which of the following Options (a) HCl (b) Cl₂O (c) HClO₄ (d) Cl₂…
7 years ago
Chemistry
Which is weakest acid
Which is weakest acid Options (a) HI (b) HBr (c) HCl (d) HF Correct Answer: HFExplanation:No explanation available. Be the…
7 years ago
Urea is preferred to ammonium sulphate as a nitrogeneous fertilizer because
Urea is preferred to ammonium sulphate as a nitrogeneous fertilizer because Options (a) it is more soluble in water (b)…
7 years ago
Which of the following statements is correct
Which of the following statements is correct Options (a) All halogens except fluorine form oxy acid (b) All halogens form…
7 years ago
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
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