EASY
RRB NTPC CBT 1
IMPORTANT
Earn 100

Which of the following pairs is incorrect?

(1) Haematite : Iron

(2) Pitch blende : Copper 

(3) Monazite : Thorium 

50% studentsanswered this correctly

Important Questions on Chemistry

EASY
RRB NTPC CBT 1
IMPORTANT
Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 52 - Chemistry>Practice Exercise>Q 34
Which of the following metal (shown by its symbol) is generally used for making filaments of bulb?
EASY
RRB NTPC CBT 1
IMPORTANT
Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 52 - Chemistry>Practice Exercise>Q 35
Which metal is responsible for Itai-Itai disease?
EASY
RRB NTPC CBT 1
IMPORTANT
Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 52 - Chemistry>Practice Exercise>Q 36
In order to prevent it from coming in contact with oxygen, sodium metal is kept under:
EASY
RRB NTPC CBT 1
IMPORTANT
Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 52 - Chemistry>Practice Exercise>Q 37
Which of the following when mixed with a metal forms amalgam?
EASY
RRB NTPC CBT 1
IMPORTANT
Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 52 - Chemistry>Practice Exercise>Q 38
What is galvanized iron?
EASY
RRB NTPC CBT 1
IMPORTANT
Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 52 - Chemistry>Practice Exercise>Q 39
The ore of aluminium is: 
EASY
RRB NTPC CBT 1
IMPORTANT
Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 52 - Chemistry>Practice Exercise>Q 40
Heavy metals got their name because compared to other atoms they have :
EASY
RRB NTPC CBT 1
IMPORTANT
Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 52 - Chemistry>Practice Exercise>Q 41
Which of the following is not an inert gas?