Contents

Ants and bee sting contain which of the following acid?
a) malic acid                        

b) tartaric acid
c) citric acid                         

d) formic acid


Which of the following is/are the property/ies of alkalis?
a)turn blue litmus to red    

b)bitter taste
c) water soluble                   

d)all of these


Which of the following is/are not the characteristic/s of acids?
a)turn blue litmus to red    

b)sweet taste        
c) electrolyte                        

d)both a and b


Which of the following is/are corrosive to skin?
a) acids                                 

b) alkalis
c) water                                 

d) both a and b


Salts are …….solids.
a) amorphous                      

b) crystalline
c) irregular                                            

d) both a and b


What is the melting and boiling point of salts?
a) low                                    

b) moderate
c) high                                   

d) very low