list any two observations
when lead nitrate is heated in dry test tube
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1)i) When Lead nitrate is heated it produces a yellow precipitate of Lead monoxide. ii) It also produces a brownish colored fume (gas) which is Nitrogen dioxide along with oxygen. 2) This is Decomposition type of chemical reaction
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Explanation:
Following two observations are observed when crystals of ferrous sulphate are heated: (1) Change in state and color takes place. (2) A gas is evolved during this process. Since, the compound (ferrous sulphate) decomposes into two or more substances therefore, it is a decomposition reaction
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