A. Ionic bond
A.
B. Covalent bond
B.
C. Metallic bond
C.
D. Hydrogen bond
D.
Correct Answer: A
সঠিক উত্তর: A
Explanation
ব্যাখ্যা
Ionic bonds are formed between a metal and a non-metal, resulting in strong electrostatic attractions between positively charged cations and negatively charged anions. These strong forces require a large amount of energy to overcome, leading to very high melting points.