When ethanal is treated with Fehling’s solution. it gives a precipitate of
When ethanal is treated with Fehling's solution. it gives a precipitate of Options (a) Cu₂O (b) Cu (c) Cu₃O (d)…
6 years ago
AFMC2010
N₂ gas will not be evolved upon reaction of HNO₂ with which of the following
N₂ gas will not be evolved upon reaction of HNO₂ with which of the following amines Options (a) 1⁰ (b)…
6 years ago
In tetragonal crystal system, which of following is not true
In tetragonal crystal system, which of following is not true Options (a) All axial lengths and all axial angles are…
6 years ago
In an organic compound phosphorus is estimated as
In an organic compound phosphorus is estimated as Options (a) Mg₂P₂O₇ (b) Mg₃(PO₄)₂ (c) H₃PO₄ (d) P₂O₅ Correct Answer: Mg₂P₂O₇Explanation:A…
6 years ago
Violet coloured complex obtained in the detection of Sulphur is
Violet coloured complex obtained in the detection of Sulphur is Options (a) Na₂[Fe(NO)(CN)₅] (b) Na₃[Fe(ONSNa)(CN)₅] (c) Na₄[Fe(CN)₅NOS] (d) both (Na₃[Fe(ONSNa)(CN)₅)]…
6 years ago
How many moles of iodine are liberated when 1 mole of potassium dichromate
How many moles of iodine are liberated when 1 mole of potassium dichromate reacts with potassium iodide Options (a) 1…
6 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…
6 years ago
Bromine water reacts with SO₂ to form
Bromine water reacts with SO₂ to form Options (a) HBr and S (b) H₂O and HBr (c) S and H₂O…
6 years ago
Which of the following carbonates is the most stable?
Which of the following carbonates is the most stable? Options (a) MgCO₃ (b) CaCO₃ (c) SrCO₃ (d) BaCO₃ Correct Answer:…
6 years ago
Primary,secondary and tertiary amines can be distinguished by
Primary,secondary and tertiary amines can be distinguished by Options (a) Schiff's test (b) Fehling's test (c) Tollent's test (d) Hinsberg's…
6 years ago