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.Management Sciences
Category: Diagnostic Test
Which is true about Zn-Cu galvanic cell ?
A. Reduction occurs at anode
B. K+ ion transfer from salt bridge to left beaker of ZnSO4
C. Oxidation occurs at cathode
D. Anode is negatively charged
Which one does not give borax bead test_________________?
A. Copper sulphate
B. Barium sulphate
C. Cobalt sulphate
D. Nickel sulphate
Keeping in view the size of atom which is in correct order___________________?
A. Mg > Sr
B. Ba > Mg
C. Lu > Ce
D. CI > 1
Quantum number values for 3p orbitals are____________________?
A. n=3 l=2
B. n=3 l=0
C. n=3 l=1
D. n=3 l=3
Bohrs model is contradicted by__________________?
A. Plancks theory
B. Dual nature of matter
C. Heisenbergs uncertainty principle
D. All of these
Which is the unit of (K) rate constant for zero order reaction ?
A. s-1
B. mol dm-3 s-1
C. mol-1 dm3 s-1
D. mol-2 dm6 s-1
A method of separation of components from its solution using Distribution law is ___________________?
A. Sublimation
B. Crystallisation
C. Solvent extraction
D. Distillation
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