Hey there:
Correct answer is : 
(b) NaNH₂
Sodium azanide NaNH₂ is the conjugate base of ammonia NH₃
Correct answer is : 
(b) NaNH₂
 I hope this will help !
 
        
             
        
        
        
Answer: Potassium Chloride 
Explanation:
 
        
             
        
        
        
The number of covalent bonds that an atom can make is determined by the no. of electrons needed to form a duplet or octet of electron by each of the atom.
        
             
        
        
        
Answer. After cytokinesis is completed at end of meiosis - I two haploid cells are formed.on: