Why Kaysons ?

Video lectures

Access over 500+ hours of video lectures 24*7, covering complete syllabus for JEE preparation.

Online Support

Practice over 30000+ questions starting from basic level to JEE advance level.

Live Doubt Clearing Session

Ask your doubts live everyday Join our live doubt clearing session conducted by our experts.

National Mock Tests

Give tests to analyze your progress and evaluate where you stand in terms of your JEE preparation.

Organized Learning

Proper planning to complete syllabus is the key to get a decent rank in JEE.

Test Series/Daily assignments

Give tests to analyze your progress and evaluate where you stand in terms of your JEE preparation.

SPEAK TO COUNSELLOR ? CLICK HERE

Question

Ore pitch blende is main source of 

Solution

Correct option is

Ra

Ore pitch blende is main source of radium.

SIMILAR QUESTIONS

Q1

The chemical process in the production of steel from haematite ore involves

Q2

Which of the following process involves smelting? 

Q3

 

FeCr2O4 (chromite) is a good source of chromium and its compounds like Na2CrO4 and Na2Cr2O7

   

   

    

     

Identify A

Q4

Consider  (CuO) = –129.7 kJ mol–1 kJ mol –1and  The better reducing agent for the reduction of CuO is

Q5

In which of the following isolations no reducting agent is required?

Q6

Which of the following pairs of oxides cannot be reduced by carbon to give the respective metals?   

Q7

Titanium containing mineral found in our country is 

Q8

Metal which can be extracted from all the three dolomite, magnesite and carnallite is

Q9

Chile salt petre is an ore of  

Q10

Which of the following ore is used for industrial extraction of aluminium in India?