Question

गर्म जल का टैंक बनाने में तांबा का उयोग होता है परन्तु इस्पात का नहीं । क्यों?​

Answer 1

Copper does not react with cold water, hot water or steam however iron reacts with steam. If water tanks are made of steel which is an iron alloy than iron would react with steam formed from hot water. That is why copper is used to make hot water tanks and not steel.

Answer 2

Answer:

because copper is good conductor of electricity

and iron is not good conductor of electricity