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______ is obtained by radioactive decay of radium and thorium.

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Important Questions on p-Block Elements

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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 2 - p-Block Elements>Classical Thinking>Q 75
Select the INCORRECT statement about inert gases:
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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 2 - p-Block Elements>Classical Thinking>Q 76
Which of the following inert gases has the highest ionization energy?
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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 2 - p-Block Elements>Classical Thinking>Q 77
Which of the following is most polarised?
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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 2 - p-Block Elements>Classical Thinking>Q 78
The ease of liquefaction of noble gases decreases in the order______.
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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 2 - p-Block Elements>Classical Thinking>Q 79
The inert gas with highest heat of vaporization is _______
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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 2 - p-Block Elements>Classical Thinking>Q 80
Noble gases can diffuse through ______.
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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 2 - p-Block Elements>Classical Thinking>Q 81
Argon is used in_____.
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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 2 - p-Block Elements>Classical Thinking>Q 82
Liquid_______is used in research laboratories for the detection of mesons and gamma photons.