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प्रश्न
State the colour of the residue formed when nitrates of :
1. Calcium
2. Zinc
3. Lead
4. Copper are strongly heat
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उत्तर
1. Calcium : White
2. Zinc : White
3. Lead : Orangish red
4. Copper are strongly heat : black
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संबंधित प्रश्न
State your observations when Barium chloride solution is mixed with Sodium Sulphate Solution.
Choose the correct answer from the options given below :
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