Chemistry

When river water meets sea water delta formation takes place. This is due to

When river water meets sea water delta formation takes place. This is due to the phenomenon of Options (a) electrophoresis…

The two polypeptide chains present in insulin contain which of the following number

The two polypeptide chains present in insulin contain which of the following number of amino acids Options (a) 18,12 (b)…

Amino acids,Which build up proteins, have both the carboxylic and amino groups

Amino acids,Which build up proteins, have both the carboxylic and amino groups. These amino acids are Options (a) α -…

The hydrogen ion concentration in mol/dm, in a 0.2 M solution of a weak acid

The hydrogen ion concentration in mol/dm, in a 0.2 M solution of a weak acid HA (Ka = 2 x…

During the crystallization of a solid from the aqueous solution, the following statement

During the crystallization of a solid from the aqueous solution, the following statement is correct (∆H is -ve) Options (a)…

An aqueous solution of sodium sulphate is electrolysed using inert electrodes

An aqueous solution of sodium sulphate is electrolysed using inert electrodes.The products at the cathode and anode are respectively Options…

An organic compound A(C₄H₉Cl) on reaction with Na/diethylether gives a hydrocarbon

An organic compound A(C₄H₉Cl) on reaction with Na/diethylether gives a hydrocarbon,which on monochlorination gives only one chloro derivative.A is Options…

Mohr’s salt is

Mohr's salt is Options (a) FeSo₄(NH₄)₂SO₄.6H₂O (b) FeSO₄.7H₂O (c) Fe₂ (SO₄)₃(NH₄)₂SO₄.6H₂O (d) MgSO₄.7H₂O Correct Answer: FeSo₄(NH₄)₂SO₄.6H₂OExplanation:No explanation available. Be the…

In dichromate dimer

In dichromate dimer Options (a) 4 Cr - O bonds are equal (b) 6 Cr - O bonds are equal…

NH₃ is added BF₃ by

NH₃ is added BF₃ by Options (a) ionic bond (b) covalent bont (c) dative bond (d) molecular bond Correct Answer:…