A. (i) and (ii)
A.
B. (ii) and (iii)
B.
C. (iii) and (iv)
C.
D. (i) and (iii)
D.
Correct Answer: B
সঠিক উত্তর: B
Explanation
ব্যাখ্যা
Ionic compounds are chemical compounds made up of oppositely charged ions that are kept together by ionic bonds or electrostatic forces and non-ionic compounds are formed with covalent bonds.
and :
They can’t be ionic compounds because they’re covalent compounds.
Hydrochloric acid () and carbon tetrachloride () form covalent bonds because two atoms share a pair of electrons.