Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Chemistry in Everyday Life
The stainless steel utensils have copper bottoms because,
1
This makes it cost-effective
2
Copper is a better conductor of heat
3
This gives an aesthetic value
4
More than one of the above
5
None of the above