How would you distinguish between the following pairs of su
ces on the
basis of the chemical tests given in brackets?
(1) Sodium Chloride and Potassium Chloride (flame test)
(m) Zinc Carbonate and Lead Carbonate (dry heating)
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1. NaCl-when mixed with conc hydrochloric acid then the sodium ion gives a golden flame.
KCl- when mixed with conc HCl then the potassium ion gives a lilac flame.
2.zinc carbonate on heating gives zinc oxide which is yellow when hot and white when cold.
Lead carbonate on heating gives lead oxide which is reddish-brown when hot and yellow when cold
KCl- when mixed with conc HCl then the potassium ion gives a lilac flame.
2.zinc carbonate on heating gives zinc oxide which is yellow when hot and white when cold.
Lead carbonate on heating gives lead oxide which is reddish-brown when hot and yellow when cold
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