MCQ
When two pairs of electrons are shared, bond is
- ASingle covalent bond
- ✓Double covalent bond
- CDative bond
- DTriple bond
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| $pH$ at Isoelectric point | |
| $(Amino acid)_I$ | $6$ |
| $(Amino acid)_{II}$ | $9.8$ |
| $(Amino acid)_{III}$ | $3.9$ |
$(Amino acid)_{II}$ is ____ ?