A) Sodium nitrate
B) Ammonia
C) Methane
D) Potassium chloride
Correct Answer: A
Solution :
[a] Sodium nitrate is the chemical compound with the formula \[NaN{{O}_{3}}.\] This salt is a white solid which is soluble in water. It is made up of sodium being a metal and nitrogen being a nonmetal. Hence, this compound has both ionic and covalent bonds. Ammonia has a molecular formula of \[N{{H}_{3}}\] with nitrogen and hydrogen forming covalent bond. Hence, option 2 is correct. Methane has a molecular formula of \[C{{H}_{4}}\] with carbon and hydrogen forming double covalent bonds. Hence, option 3 is incorrect Potassium chloride has a molecular formula of \[KCl\] with potassium and chlorine forming ionic bond. Hence, option 4 is incorrect
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