The most reactive allotropic form of phosphorus is________________?
The most reactive allotropic form of phosphorus is________________? A. White B. Redox potential C. Black D. Violet
The most reactive allotropic form of phosphorus is________________? A. White B. Redox potential C. Black D. Violet
Which one does not give borax bead test_________________? A. Copper sulphate B. Barium sulphate C. Cobalt sulphate D. Nickel sulphate
Which is carnalite________________? A. KCI B. NaCIC. KCI MgCl2 6H2O D. Na2CO3. 10H2O
Which is the unit of (K) rate constant for zero order reaction ? A. s-1B. mol dm-3 s-1 C. mol-1 dm3 s-1 D. mol-2 dm6 s-1
Which of the following can be used in laptops ? A. Silver oxide battery B. Fuel cellC. Nickel cadmium cell D. Lead accumulator
Which of the following solution has the highest boiling point ? A. 5.85% NaCl Solution B. 18.0 % glucose solution C. 6.0 % urea solution D. All have same boiling point
Solubility product of AgCl is 2.0 x 10-10 mol2 dm-6. Maximum Concentration of Ag+1 ions in the solution is__________________? A. 2.0 x 10-10 mol dm-3B. 1.414 x 10-5 mol dm-3 C. 1.0 x 10-10 mol dm-3 D. 1.0 x 10-5…
For a given process the heat changes at constant pressure (qp) and at constant volume (qv) are related to each other as___________________? A. qp = qv B. qp < qvC. qp > qv D. qp = qv / 2
Which specie has unpaired electrons in antibonding molecular orbitals_______________? A. O2+2B. N2-2 C. B2 D. O2-2
Quantum number values for 3p orbitals are____________________? A. n=3 l=2 B. n=3 l=0C. n=3 l=1 D. n=3 l=3