(i) A + Na 2 CO 3 → B + C , (ii) A → CO 2 (Milky) C The chemical formula of A and B are respectively :

C a ( O H ) 2 ( A ) + N a 2 C O 3 → 2 N a O H ( B ) + C a C O 3 ( C ) C a ( O H ) 2 ( A ) → C O 2 C a C O 3 C ( m i l k y )

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Chemistry - Complete s-block Question with Solution | TestHub

ChemistryComplete s-blocks-block IIAEasy2 minPYQ_2020

ChemistryEasysingle choice

(i) $A + {Na}_{2} {CO}_{3} \to B + C, (ii) A \overset{{CO}_{2}}{\to} (Milky) C$

The chemical formula of A and B are respectively :

Options:

Answer:

Solution:

$\begin{array}{l} \underset{(A)}{C a {(O H)}_{2}} + N a_{2} C O_{3} \to \underset{(B)}{2 N a O H} + \underset{(C)}{C a C O_{3}} \\ \underset{(A)}{C a {(O H)}_{2}} \overset{C O_{2}}{\to} \underset{C (m i l k y)}{C a C O_{3}} \end{array}$

Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:Complete s-blockSubtopic:s-block IIA

⏱ 2mℹ️ Source: PYQ_2020

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