CHEMISTRY CLASS-10TH (MCQs=1504)

Ammonium carbonate reacts with NaCl and form……………..
a) NaHCO₃                                          

b) NH₄Cl               
c) both a & b                                       

d) Na₂CO₃

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Dry sodium bicarbonate is heated in rotator furnace called……………
a) brain solution  

b) ammonical solution      

c) slaked lime      

d) calciner

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Slaked lime is heated with ammonium chloride to form……………..
a) ammonia                         

b) calcium chloride             
c) sodium carbonate          

d) both a & b

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Urea or carbamide is an organic compound having a carbonyl functional group attached to ………-NH, groups.
a) one    

b) two                    

c) three

d) four

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Urea serves as an important role in the metabolism of ………containing compounds by animals.
a) N 

b) S                        

c) Cl 

d) Br

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