Yes - absolutely no problem!

You can't puree with it. Chopping, however, is very good. There are no settings for coarse or fine. The sooner you stop, the coarser it gets.

No. The appliance is not powerful enough for that, you can only do that with a high-performance blender.

siehe: https://www.amazon.de/ask/questions/asin/B0036DDGMW/ref=ask_rp_reva_ql_hza

Yes

I had the same problem. Spare parts are so expensive that it is cheaper to order a whole replacement. A knife shop may be able to sharpen the blades. Be sure to check the price beforehand.

Yes, it is possible to chop onions quickly. It is not necessary to use both (double) blades. It also works with only one double blade.

Housing: High quality plastic Material - bowl: High-quality plastic Weight: 1.15kg Dimensions (cm): 26.5H x 13.0L x 13.0W Speeds: 2 speeds Wattage: 500W Suitable for crushing ice: Yes Dishwasher safe parts: Yes Quad Blade System with 4 blades: Yes Interlock closure system: Yes Bowl size: 500ml Technical data taken from the homepage: http://www.kenwoodworld.com/de-ch/produktuebersicht/food-processors-ch-de/universalhacker/ch580-universalhacker

This universal chopper comes with a German plug + a fixed adapter for the Swiss mains. If you prefer a chopper with a Swiss plug, I can recommend this article: Moulinex Multi Moulinette

This is the product shown in the pictures.