What do you observe when silver chloride kept on sunlight
What will happen when you keep iron nail in lead sulphate solution
Copper oxide reacts with carbon gives carbon and carbon oxide write oxidising agent and reducing agent
What is the chemical formula and name
• corrosion of iron
• silver
• copper
When white colour crystal on heating produce brown fumes
• identify white colour crystal
• write equation
Define rancidity write few ways to keep food fresh
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Answers
Answer:
What do you observe when silver chloride kept on sunlight?
1. When silver chloride is exposed to light, it decomposes to form silver metal and chlorine gas. This reaction is used in black and white photography.
What will happen when you keep iron nail in lead sulphate solution?
Iron displaces copper ions from an aqueous solution of copper sulphate. It is a single displacement reaction of one metal by another metal. Iron is placed above copper in the activity series. ... In this reaction, metallic iron is converted into ferrous ion (Fe2+) and cupric ion (Cu2 +) is converted into metallic copper.
Corrosion of Iron
Corrosion is described as the natural process that when interacting with substances such as water or air, causes the transformation of pure metals to undesirable substances. The reaction causes the metal to damage and decompose, beginning with the portion of the metal that is exposed to the atmosphere and spreading across the metal’s entire.
The given white salt is lead nitrate Pb(NO
3
)
2
It decomposes to give brown fumes(NO
2
) and yellow residue(PbO). The reaction can be given as follows:
2Pb(NO
3
)
2
→2PbO+4NO
2
+O
2
The process of losing fats and oils due to oxidation or in another words spoiling of food materials that is difficult for consumption is called rancidity. Precautions to prevent rancidity -1) To prevent oxidation of food, store the food in an air tight container . this keeps the food fresh for long time.
Explanation:
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