MCQ
Atomic mass unit is abbreviated as __________.
- Aatm
- Bama
- Ca.m.u
- Daum
Explanation:
Atomic mass unit is abbreviated as a.m.u.
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A. $1\text{s}^2\ 2\text{s}^2\ 2\text{p}^6$ B. $1\text{s}^2\ 2\text{s}^2\ 2\text{p}^4$ C.$1\text{s}^2\ 2\text{s}^2\ 2\text{p}^6\ 3\text{s}^1$ D.$1\text{s}^2\ 2\text{s}^2\ 2\text{p}^5$
Which of the following is the correct order of increasing tendency to gain electron:

| Column $I$ (Mixture of compounds) | Column $II$ (Separation Technique) |
| $A$ $H _2 O / CH _2 Cl _2$ | $I$ Crystallization |
| $B$ $Image$ | $II$ Differential solvent extraction |
| $C$ Kerosene/Naphthalene | $III$ Column chromatography |
| $D$ $C _6 H _{12} O _6 / NaCl$ | $IV$ Fractional Distillation |
Correct match is : 