निम्नलिखित में से कौन सी धातु ठंडे पानी के साथ सबसे तीव्र और विस्फोटक रूप से अभिक्रिया करती है?

Temple bells are made of specific metal alloys mainly because of which property?

Metals that produce a ringing sound when struck on a hard surface are said to be:

Among the given options, which metal is placed highest in the reactivity series?