No Ag cannot react with NaOH because Ag is less reactive than Na in the reactivity series and can't displace it
Yes,according to healthline.com non metals have lower melting points than metals.See metal is extremely hard to melt that would need very hot fire or lava,lava preferbally.So yes non metals have lower melting points than metals.
Hope this helps!Branliest would be appreciated:D
What your question for number 3