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Write the balanced equation for the foll...

Write the balanced equation for the following ractions.
(i) SnO is treated with dilute `HNO_(3)`
(ii) Tin is heated with excessof chlorine gas
(iii) Lead sulphide is heated in air.

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(i) Stannous nitrate is formed
`SnO+2HNO_(3)(dil)rarrSn(NO_(3))_(2)+H_(2)O`
(ii) Stannic chloride is formed
`Sn+2Cl_(2)overset("Heat")rarrSnCl_(4)`
(iii) A mixture of PbO and `SO_(2)` is formed.
`2PbS+3O_(2)overset("Heat")rarr2PbO+2SO_(2)`
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