Which of the following elements is very essential for the uptake and utilisation
Which of the following elements is very essential for the uptake and utilisation of Ca²⁺ and membrane function? Options (a)…
5 years ago
KL2007
The hybridization of oxygen atom in H₂O₂ is
The hybridization of oxygen atom in H₂O₂ is Options (a) sp³d (b) sp (c) sp² (d) sp³ Correct Answer: sp³Explanation:No…
7 years ago
Which of the following is redox reaction
Which of the following is redox reaction Options (a) 2CuSO₄ + 4KI → Cu₂I₂ + 2K₂SO₄ + I₂ (b) SO₂…
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
Which one of the following is a false statement
Which one of the following is a false statement Options (a) Cell fluid is an example of sol (b) Butter…
7 years ago
If the initial concentration of the reactant is doubled, the time for half
If the initial concentration of the reactant is doubled, the time for half reaction is also doubled. Then the order…
7 years ago
For which one of the following minerals, the composition given is incorrect
For which one of the following minerals, the composition given is incorrect Options (a) Glauber's salt - Na₂SO₄.10H₂O (b) Borax…
7 years ago
Chloroform gives a trichloro derivative of an alcohol on reaction with
Chloroform gives a trichloro derivative of an alcohol on reaction with Options (a) conc. nitric acid (b) aq.alkali (c) acetone…
7 years ago
The dark blue colour of the solution formed when excess of ammonia is added
The dark blue colour of the solution formed when excess of ammonia is added to a solution of copper (II)…
7 years ago
Which one of the following is tridentate ligand
Which one of the following is tridentate ligand Options (a) NO₂⁻ (b) Oxalate ion (c) glycinate ion (d) Dien Correct…
7 years ago