Answer:
fe(iron) + cl^2 (clorine) = fecl^3(iron cloride)
Translation: List at least 5 objects that were formerly made from another material and are now made from a polymer. Identify what polymer it is
Answer:
Five object now replaced with polymers
1) automobile body parts. (polypropylene, polyurethane and PVC)
2)TV cabinets. (polystyrene polymer)
3) composites for golf clubs. (carbon fibre reinforced polymer CFRP)
4) fibers for clothing and carpet. (acrylic and nylon)
5) foams for coffee cups (polystyrene)
Metals such as iron, nickel and cobalt are detected by passive and active metal detectors. Other metals, such as copper, brass and aluminum, are detected only by active means.
Answer:
lake water, swamp water, like, any dirty and unpurified forms of water is hard water
Explanation: