NEET UG CHEMISTRY MCQ: S-BLOCK ELEMENTS

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Analyzing +4 | -1

Chemical

A

is used for water softening to remove temporary hardness.

A

reacts with sodium carbonate to generate caustic soda. When

\mathrm{C}{\mathrm{O}_2}

is bubbled through

A

, it turns cloudy. What is

A

View answer and explanation

Correct option: C

\mathrm{Ca}{\left( {\mathrm{OH}} \right)_2}

Option C (Ca(OH)2) is correct because it is used for water softening, reacts with sodium carbonate to produce caustic soda, and forms a cloudy solution with CO2.

More Questions from S-BLOCK ELEMENTS

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Which of the following exists in polymeric form? If 5 moles of

\mathrm{BaCl}_{2}

is mixed with 2 moles of

\mathrm{Na}_{3} \mathrm{PO}_{4}

, the maximum number of moles of

\mathrm{Ba}_{3}\left(\mathrm{PO}_{4}\right)_{2}

formed is ________ (Nearest integer) Alkali metal superoxides are obtained by the reaction of Pearl ash and caustic potash are chemically: When sodium chloride solution is electrolysed, the gas that is liberated at the cathode is What is product of reaction :

\underset {\text{(dilute)}}{Ba(OH)_2}+H_2O_2+ClO_2 \longrightarrow