The solid which is left over the filter paper as a result of filtration_________________? Options: A. Insoluble particlesB. residueC. crystalsD. mud View Answer B. residue
Size of filter paper is selected according to the amount of__________________? Options: A. solutionB. amount of insoluble soluteC. amount of soluble soluteD. Amount of solvent View Answer B. amount of insoluble solute
Which type of bond is formed by overlap of p orbitals _______________? Options: A. PiB. SigmaC. BothD. Neither View Answer C. Both
By combining n atmic orbitals no. of hybrid orbitals will be__________________? Options: A. 2nB. nC. 3nD. impossible to predict View Answer B. n
In a group ionic radius ? Options: A. IncreasesB. DecreasesC. No changeD. Variable trend View Answer A. Increases
The diffusion of gases at absolute zero will be________________? Options: A. UnchangedB. Slightly decreasedC. Slightly increasedD. Zero View Answer D. Zero
0.5 mole of nitrogen gas and 0.5 mole of carbon monoxide gas at STP have same_____________? Options: A. Value of aB. MassC. AtomsD. Both B and C View Answer D. Both B and C
Which of the following will not change the concentration of ammonia at the equilibrium ? Options: A. Increase of pressureB. Increase of volumeC. Addition of catalystD. Decrease of temperature View Answer C. Addition of catalyst
Which one of the following is a buffer solution ? Options: A. brineB. bloodC. glueD. solution of CuSO4 View Answer B. blood
Residence time of methane in the atmosphere is___________________? Options: A. 3 B. 2 -3 daysC. 3 D. 2 View Answer C. 3