In the aluminothermite process , aluminium acts as
In the aluminothermite process , aluminium acts as Options (a) an oxidising agent (b) a flux (c) a solder (d)…
7 years ago
Chemistry
Which of the following is not hydrolysed easily
Which of the following is not hydrolysed easily Options (a) CCl₄ (b) SiCl₄ (c) GeCl₄ (d) SnCl₄ Correct Answer: CCl₄Explanation:No…
7 years ago
The products of the following reaction are
The products of the following reaction are Options (a) SiC and CO₂ (b) SiO and CO (c) SiC and CO…
7 years ago
The diagonal partner of element B is
The diagonal partner of element B is Options (a) Li (b) Al (c) Si (d) Mg Correct Answer: SiExplanation:No explanation…
7 years ago
The products formed when diborane is hydrolysed are
The products formed when diborane is hydrolysed are Options (a) B₂O₃ and H₃BO₃ (b) B₂O₃ only (c) H₃ BO₃ and…
7 years ago
Germanium of very high purity is obtained by
Germanium of very high purity is obtained by Options (a) liquation (b) vapour phase refining (c) distilation (d) zone refining…
7 years ago
The element that does not show catenation among the following p-block elements is
The element that does not show catenation among the following p-block elements is Options (a) carbon (b) silicon (c) germanium…
7 years ago
Reaction of diborane with ammonia gives initially
Reaction of diborane with ammonia gives initially Options (a) B₂H₆.NH₃ (b) Borazole (c) B₂H₆.3NH₃ (d) [BH₂(NH₃)₂]⁺ [BH₄]⁻ Correct Answer: [BH₂(NH₃)₂]⁺…
7 years ago
The anion, (Si₆O₁₈)¹²⁻ is present in
The anion, (Si₆O₁₈)¹²⁻ is present in Options (a) pyroxene (b) beryl (c) mica (d) albite Correct Answer: berylExplanation:No explanation available.…
7 years ago
The number of carbon atoms in Buckminsterfullerene is
The number of carbon atoms in Buckminsterfullerene is Options (a) 50 (b) 350 (c) 60 (d) 70 Correct Answer: 60Explanation:Buckminsterfullerene…
7 years ago