NEET UG CHEMISTRY MCQ: S-BLOCK ELEMENTS

1 Medium

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Analyzing +4 | -1

Select the correct statement among the following

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Correct option: D

Gypsum contains a lower percentage of Ca than in plaster of Paris

Option D (Gypsum contains a lower percentage of Ca than in plaster of Paris) is correct because plaster of Paris is obtained by heating gypsum, which removes some water and increases the relative percentage of calcium.

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