Don't use expensive proprietary cleaners on ceramic hobs, use a value brand cream cleanser and finish off by buffing up with a few drops of white vinegar on a soft cloth to shine it up.
Need suggestion. I had a fire in my kitchen which has left the walls and the roof stained with smoke. I could wipe off only a part of it though not clearly. was wondering if there is a way to clean the walls to avoid repainting. TRY USING A SUGAR SOAP SOLUTION :)
To remove stubborn burnt on food from saucepans/frying pans, add a tablespoons or 2 of laundrypowder/a tablet and water and boil on cooker until spotless again. Wash pan thoroughly afterwards.