The structure of NH₃ (ammonia) is trigonal pyramidal, with the nitrogen atom at the top and three hydrogen atoms at the base. The nitrogen atom has a lone pair of electrons, which contributes to the molecule's shape and polarity. The bond angle between hydrogen, nitrogen, and hydrogen atoms (H-N-H) is 107°.
Question : Which of the following is the longest national highway in India?
Option 1: NH-44
Option 2: NH-7
Option 3: NH-48
Option 4: NH-2
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