9th Class Chemistry Chapter 8 Online MCQ Test With Answers PDF English Medium (Chemical Reactivity)

Chemistry 9th Class English Medium Unit 8 Online Test

Sr. #	Questions	Answers Choice
1	The horizontal lines present in the priodic table are called.	Groups Periods Both a and b None of these
2	The vertical columns present in the priodic table are called.	Group Period Both a and b None of these
3	All transition elements belong to	s and p block d- block f-block d and f block
4	The elements of group 3 to 12 are clled.	Normal elements Halogens Noble gases Transition elements
5	17th Group of elements contain electrons in their outer most shell	4 5 7 6
6	17th group elements ae known as	Alkaki metals Alkaline earth metals Noble gases Halogens
7	How many elecntrons are present in the valence shell of group 1 elements.	1 2 3 4
8	Elements of Group1 are called.	Alkali Metlas Alkali earth metals Transition metals Halogen
9	/which of the followign elements is presnt in group IA.	Lithium Hydrogen Sodium All of these
10	Whic period of the moden periodic table is condidered as incommplete period.	5th 4th 7th 6th
11	Whcih period of the modern periodic table is considered as incomplete period.	4th 5th 6th 7th
12	Period nuebr tells abou the	No. of valance electrons No. of electronic shells Both a and b None of the above