NO, of course not.
Never put gas in a diesel car. And never put diesel in a gas car. An engine is built to handle one and not the other.
Only if you put diesel in gas tank.
you will have a bomb. your engine could explode from the increased compression of a diesel engine
No, you should not put diesel coolant in a gas engine. Diesel coolant is formulated differently and may contain additives that are not compatible with gas engine cooling systems. Using the wrong coolant can lead to corrosion, overheating, and potential engine damage. Always use the coolant specified by the manufacturer for your gas engine.
No. You can't put regular HEET in a diesel engine or an engine that requires oil and gas mixed, but you can put ISO HEET in all combustion engines.
yes
Empty your tank out, drain the fuel lines, as the gasoline will damage your diesel engine.
If the engine is a diesel use diesel fuel. If the engine is a gasoline engine use unleaded gasoline.
Drain the tank, change the fuel filter, refill with diesel.
Only if you have time to fix the resulting non running mess. Diesel fuel, no. Diesel engine oil, yes if it is the proper weight.
It won't run as they are not compatible, you will have to drain the gas tank & clear the lines.
The engine would stop running. You would need to drain the gas tank. If the engine has been allowed to run since the diesel was added you would also need to drain the fuel line.