The combination of business activities of Abbas Ltd and Denko Ltd to form one large company is

The combination of business activities of Abbas Ltd and Denko Ltd to form one large company is called an amalgamation. An amalgamation is a process in which two or more companies merge their business operations to form a new entity, which can either be a new company or an existing one. In this case, Abbas Ltd and Denko Ltd are coming together to form a new company that will incorporate the business activities of both firms. This process is also known as a merger or a consolidation.