Identify the product formed in each of the following during thermal decomposition :
Calcium nitrate
Hydrated copper sulphate
Zinc carbonate
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Time is the ongoing sequence of events taking place. The past, present and future. The basic unit of time is the second. There are also minutes, hours, days, weeks, months and years. We can measure time using clocks.
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Goldsmiths blow the outer most zone of a flame in order to melt gold or silver because the outermost zone is a zone of complete combustion, also known as luminous zone. The ignition temperature of this zone is the highest and thus helps in melting the metal the best in order to creat desired designs or patterns.
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