Q. Does it mean that tin lowers the melting point of alloy BELOW 18 degree Celsius? Or it reduces the melting point of the alloy TO 180 degree Celsius? Sn — lowers melting point of alloy melting point of alloy : 180 ° C Share with your friends Share 0 Manasa Hegde answered this 1 View Full Answer Yashi Mishra answered this I think it means yn lowers melting point point of alloy below 180 C ...but i am not sure ... 0 Yashi Mishra answered this It'snot yn iys tin 0 Yashi Mishra answered this Sorry it's not yn its tin ... 0