Which one can form complex ?
Which one can form complex ?
A. Na
B. Cr
C. Li
D. K
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Solution with maximum concentration of solute at given temperature is called________________?
Solution with maximum concentration of solute at given temperature is called________________?A. Super saturated solution
B. unsaturated solution
C. saturated solution
D. dilute solutionAqueous solution of borax above 62°C gives crystals of________________?
Aqueous solution of borax above 62°C gives crystals of________________?A. Na2B4O7.4H2O
B. Na2B4O7.5H2O
C. Na2B4O7.2H2O
D. Na2B4O7.10H2OWhen an electron is moving with velocity of 2.188 x 106 ms-1 in the first orbit of Bohrs model of hydrogen. The de Broglie wavelength of electron is______________?
When an electron is moving with velocity of 2.188 x 106 ms-1 in the first orbit of Bohrs model of hydrogen. The de Broglie wavelength of electron is______________?A. 0.33 nm
B. 0.34 nm
C. 0.35 nm
D. 0.36 nmGive Electronic configuration of Sodium:
Give Electronic configuration of Sodium:A. 1s2,2s2,2p6
B. 1s2,2s2,2p6,3s2
C. 1s2,2s2,2p6,3s1
D. None of theseThe number of atoms in a molecule determines________________?
The number of atoms in a molecule determines________________?A. macromolecule
B. macromolecule
C. molecularity
D. atomicityThe amount of Benzene is obtained from Coal Tar on its Fractional Distillation?
The amount of Benzene is obtained from Coal Tar on its Fractional Distillation?A. 1-2Kg
B. 1-3Kg
C. 1-4Kg
D. 1-5Kg