Studying the properties of acids and bases(hcl&NAOH) on the basis of their reaction with
a) litmus solution(blue/red)
b)zinc metal
c)solid sodium carbonate

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Solution

$D e a r S t u d e n t (a) H C l w i l l t u r n b l u e l i t m u s r e d . N a O H w i l l t u r n r e d l i t m u s b l u e . (b) Z i n c m e t a l o n r e a c t i n g w i t h H C l w i l l g i v e Z n C l_{2} w i t h l i b e r a t i o n o f H_{2} g a s Z n + 2 H C l \to Z n C l_{2} + H_{2} Z i n c m e t a l o n r e a c t i n g w i t h N a O H w i l l g i v e N a_{2} Z n O_{2} (s o d i u m z i n c a t e) a n d H_{2} Z n + 2 N a O H \to N a_{2} Z n O_{2} + H_{2} (c) H C l o n r e a c t i n g w i t h N a_{2} C O_{3} g i v e s s o d i u m c h l o r i d e, c a r b o n d i o x i d e a n d w a t e r 2 H C l + N a_{2} C O_{3} \to 2 N a C l + C O_{2} + H_{2} O N a O H d o e s n o t r e a c t s w i t h s o d i u m c a r b o n a t e b e c a u s e b o t h h a v e c o m m o n N a^{+} i o n . R e g a r d s$

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