a 09. Fill in the blanks:
3. The transition of a solid chemical compound directly into gases on heating without entering into the liquid state is called _ 4. When lead nitrate solution is added to ammonium hydroxide solution, a _ coloured precipitate of _ is obtained. 5. In a chemical equation, an _ sign is made between the reactants and the products side.
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3. The transition of a solid chemical compound directly into gases on heating without entering into the liquid state is called sublimation.
4. When lead nitrate solution is added to ammonium hydroxide solution, a white coloured precipitate of lead(II) hydroxide is obtained.
5. In a chemical equation, an arrow (→) sign is made between the reactants and the products side.
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