Tetraethyl lead is used as
Tetraethyl lead is used as Options (a) anti-knock agent (b) pain killer (c) mosquito repellent (d) fire extinguisher Correct Answer:…
7 years ago
Chemistry
When ethyl chloride and alcoholic KOH are heated, the compound obtained is
When ethyl chloride and alcoholic KOH are heated, the compound obtained is Options (a) C₂H₅OC₂H₅ (b) C₂H₄ (c) C₂H₆ (d)…
7 years ago
How will you separate a solution (miscible) of benzene + CHCl₃
How will you separate a solution (miscible) of benzene + CHCl₃ Options (a) Sublimation (b) Filtration (c) distilation (d) Crystallisation…
7 years ago
Which of the following is used as refrigerant
Which of the following is used as refrigerant Options (a) SiC (b) CO₂ (c) CF₂Cl₂ (d) CHCl₃ Correct Answer: CF₂Cl₂Explanation:No…
7 years ago
In which process,fused sodium hydroxide is eletrolysed for extraction of sodium
In which process,fused sodium hydroxide is eletrolysed for extraction of sodium Options (a) Castner's process (b) Cyanide process (c) Down's…
7 years ago
Fusion mixture is
Fusion mixture is Options (a) K₂CO₃+ NaHSO₂ (b) K₂CO₃+Na₂CO₃ (c) KHSO₄+Na₂CO₃ (d) KHSO₄+ NaHSO₄ Correct Answer: K₂CO₃+Na₂CO₃Explanation:No explanation available. Be…
7 years ago
A gas z is bubbled through a solution containing x⁻ and y⁻. If the reduction
A gas z is bubbled through a solution containing x⁻ and y⁻. If the reduction potential are in the order…
7 years ago
The volume of 0.05 M KMnO₄ solution required to oxidized completely 2.70g
The volume of 0.05 M KMnO₄ solution required to oxidized completely 2.70g of oxalic acid (H₂C₂O₄) in acidic medium will…
7 years ago
The correct order of acidic strength is
The correct order of acidic strength is Options (a) HBr < HCl < HI < HF (b) HCl < HBr…
7 years ago
In the titration of strong acid and weak base, the indicator used is
In the titration of strong acid and weak base, the indicator used is Options (a) thymolphthalein (b) methyl orange (c)…
7 years ago