name the gas evolved when trilead tetroxide is added to conc hcl
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In this reaction manganese dioxide acts as an oxidising agent. It oxidises conc. HCl and liberates chlorine gas. Manganese dioxide is a powerful oxidising agent.
MnO
2
+4HCl→MnCl
2
+2H
2
O+Cl
2
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Explanation:
neat ray diagram showing the position, nature and size of the image formed by a concave mirror when an object is kept at a finite distance beyond the radius of curvature
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