1 Molten sulfur has a dark red color above 200 Â°C. Different allotropes have different densities of about 2 g/cm. Stable allotropes are excellent electrical insulators.  Sulfur burns with a blue flame, forming sulfur dioxide with suffocating odor.
1 Clean stainless steel at least once a week. 2  Always apply stainless steel cleaner/polish with a nonabrasive cloth or sponge, working with, not across, the grain. 3  Do not use steel wool, wire brushes or abrasive sponge pads. 4  Use only non-scratch cleaning pads. 5  Cleaners containing chloride (bleach) are not recommended.
Nonstick cooking sprays are convenient, but they leave a residue if the dish isn't cleaned thoroughly. Remove stubborn buildup by scrubbing metal pans with a nonabrasive cleaner. To clean glass dishes, put them in the sink and spray liberally with an oven cleaner (use a cold-oven formula). Let sit for a few minutes, then scrub well. You may have to repeat to get the grime off. Always apply the spray to a cold pan (never a heated one), and wash well after each use.