3. Write scientific reasons.
a. The stainless steel vessels in kitchen
have copper coating on the bottom.
b. Copper and brass vessels are cleaned
with lemon.
c. Sodium metal is kept in kerosene.
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Answer:
Answer a: The stainless steel vessels in the kitchen have a copper coating on the bottom because copper is a good conductor of heat.
Answer b: Copper and brass vessels are cleaned with lemon because lemon contains acid and copper and brass react with acid.
Answer c: Sodium metal is kept in kerosene because sodium reacts with air and it burns so to prevent reaction it is kept in kerosene.
Explanation:
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