CHEMISTRY CLASS-9TH (MCQs=1707)

Groups are numbered from I to…..……
a) VII    

b) V                                       

c) VI      

d) VIII

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Elements having the same chemical properties.
a) Na & Mg                                          

b)  Li & Na
c) Na & Be                                           

d) all of these

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1st group of elements is also called ………
a) alkaline metals                               

b) alkali metals
c) halogens                                           

d) noble gases

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Group 1st elements contain…valence electrons.
a) 1        

b) 7                                        

c) 3        

d) 9

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Group 1st elements show………. character.
a) electropositive

b) metallic character
c) a & b both                       
d) none of these

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Be, Mg and Ca belong to the …….. group
a) 1^st      

b) 2^nd                                     

c) 3^rd      

d) 4^th

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