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Why do you analyze sulfur in coal?
The amount of sulphur in coal is directly related to the amount of sulphur dioxide it would produce on burning and hence it becomes necessary to check sulphur content since there are emission limits on amount of sulphur dioxides that can come out since it is an air pollutant. To remove sulphur one might consider adding carbonates as it would help convert sulphur dioxide to sulphates which can be removed along with the ash.
What element is used in can manufacturing to help preserve food?
tin
Which pollutants can be removed from the chimney gases of factories and power stations by treatment with calcium carbonate?
Sulphur dioxide
Why silver and aluminium are used for wrapping food material?
Because they help to preserve the food and prevent stuff from getting in contact with the food(example:insects)
Why does plants needs carbon dioxide?
plant prepare their own food with the help of sunlight,carbon dioxide,oxygen.
Will sulphur help my teen with his/her acne?
Yes, sulphur will help your teen wil his/ her acne problems. According to www.acnehome.com, Sulphur is a disinfectant and used in skin treatments for eczema, etc.
Are vacuum sealers a reliable way of food preservation?
Yes, vacuum food sealers do help to keep food fresh and mould free, as they prevent air reaching the food. This hinders the growth of mould and prevents the transfer of water away from the food.
Why did the American Indians use salmon drying racks?
To help preserve the food for a hard winter or for long trips.
How can trees help your environment?
They absorb Carbon dioxide and provide food and a home for animals.
How do Isaac garcia and Alberto Jimenez help to preserve tradition in Mexico?
They saved food up for people & helped slaves!
Why does compost help preserve the soil?
Compost has organic materials in it that can be used by plants as food. It also improves the texture of soils.
Why does carbon dioxide help plants?
well,plants take in carbon dioxide through their clorophyll(located on the leaf.they make sugar out of it. that will be food for a plant
