When you get to a high enough temperature.
Yes it can 'melt' metals.
All the alkali metals will melt.
No
Some metals that melt easily at low temperatures include gallium, cesium, and mercury.
It does not melt metal.
Yes, if the metals are heated up enough to melt.
you can melt a metalloid
That depends on the metal: mercury is already liquid at room temperature, gallium will melt in your hand, many alloys will melt in hot water, but other metals do have to be heated to thousands of degrees before they melt.
asbestos
No, all metals melt. Though some have extremely high melting points.
Yes, registered dealers in precious metals regularly melt scrap into ingots.
yes all metals melt but at differenttemperatures some have low and some have high melting points