CHEMISTRY CLASS-10TH (MCQs=1504)

Sodium sulphate is used in the manufacturing of………….
a) paper                                

b) glass
c) detergents                                        

d) all of these

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The chemical formula of sodium sulphate is…
a) Na2CO3                                            

b) KNO3
c) Na2 SO4                                            

d) none of these

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Sodium bicarbonate is used in the preparation of ………….
a) cakes                                

b) gold   
c) vinegar                                             

d) cement

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In medicine………….is used.
a) NaCl                                 

b) Na2CO3
c) NaHCO3                                          

d) none of these

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………….is used in toothpaste.
a) sodium Bicarbonate    

b) sodium chloride
c) sodium sulphate             

d) sodium carbonate

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The chemical formula of sodium Bicarbonate is………….
a) Na2CO3                                            

b) Na2 SO4            
c) NaHCO3                                          

d) none of these

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