EASY
UPSC CAPF AC Paper - I
IMPORTANT
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In the periodic table, the elements are arranged in the order of

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Important Questions on Chemistry

HARD
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 9>Q 9
All the elements in a group of the periodic table have the same
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 9>Q 10

Match List I and List II.
     List I                                     List II

A. Elements in group I A      1. Inert gas

B. Elements in group zero   2. Alkali metal

C. Elements of d-block        3. Inner-transition element

D. Elements of f-block         4. Transition element

EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 9>Q 11
Which one of the following properties changes with valency?
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 9>Q 12
Which one of the following is an element which never exhibits a positive oxidation state in any of its compounds?
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 9>Q 13
The ionisation potential of nitrogen is
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 9>Q 14
Which of the following has maximum density?
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 9>Q 15

Match List I with List II.
     List I                                                                             List II

A. Modern periodic law                                                 1. Groups

B. Father of Periodic Table                                           2. Moseley

C. Vertical lines in Modern Periodic Table                    3. Periods

D. Horizontal lines in Modern Periodic Table                4. Mendeleev

EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 9>Q 16
Which one among the following metals is more reactive than hydrogen?