EASY
UPSC CAPF AC Paper - I
IMPORTANT
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Which is the most reactive metal?

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Important Questions on Chemistry

EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 9>Q 25
The total number of lanthanide elements is
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 9>Q 26
What is the correct increasing order of electronegativity for the most common oxidation states among the following elements?
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 9>Q 27
In Periodic Table, metallic elements appear
HARD
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 9>Q 28
The alkali metals have relatively low melting point. Which one of the following alkali metals is expected to have the highest melting point? 
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 9>Q 29

Match List I with List II.
 List I                                                  List II

A. Most reactive alkali metal                   1. F

B. Chemically most active non-metal        2. Cs

C. Metal with maximum density               3. Hg

D. Transition metal is in liquid state          4. Os

HARD
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 9>Q 30
Which one among the following is the correct order of the reactivity of the elements?
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 9>Q 31
The elements of a group in the Periodic Table
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 9>Q 32
Specific gravity of silver is 11 and specific gravity of iron is 8. Which one among the following is the approximate relative density of silver with respect to iron?