Most common germicidal for water treatment is

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#Question id: 19504

#XL - P Chemistry

The vertical columns in the periodic table are termed as ———-.

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#Question id: 19505

#XL - P Chemistry

The element with atomic number 26 will be found in group :

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#Question id: 19506

#XL - P Chemistry

The elements with atomic numbers 9, 17, 35, 53, 85 are all ———-

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#Question id: 19507

#XL - P Chemistry

Which of the following electronic configurations of an atom has the lowest ionisation enthalpy?

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#Question id: 19508

#XL - P Chemistry

The Ionic radius of cation is always———

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#Question id: 19509

#XL - P Chemistry

Which of the following elements has the maximum negative electron gain enthalpy?