JEE Main 2022 (Online) 25th June Morning Shift | s-Block Elements Question 44 | Chemistry

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JEE Main 2022 (Online) 25th June Morning Shift

MCQ (Single Correct Answer)

-1

Which one of the following alkaline earth metal ions has the highest ionic mobility in its aqueous solution?

Be²⁺

Mg²⁺

Ca²⁺

Sr²⁺

JEE Main 2022 (Online) 24th June Evening Shift

MCQ (Single Correct Answer)

-1

In the industrial production of which of the following, molecular hydrogen is obtained as a byproduct?

NaOH

NaCl

Na metal

Na₂CO₃

JEE Main 2022 (Online) 24th June Evening Shift

MCQ (Single Correct Answer)

-1

Which one of the following compounds is used as a chemical in certain type of fire extinguishers?

Baking soda

Soda ash

Washing soda

Caustic soda

JEE Main 2022 (Online) 24th June Evening Shift

MCQ (Single Correct Answer)

-1

In the flame test of a mixture of salts, a green flame with blue centre was observed. Which one of the following cations may be present?

Cu²⁺

Sr²⁺

Ba²⁺

Ca²⁺

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