Salts in Agriculture and Food Preservation
Chemistry ⇒ Acids, Bases, and Salts
Salts in Agriculture and Food Preservation starts at 10 and continues till grade 12.
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Describe the environmental impact of excessive use of phosphate salts in agriculture.
Describe the impact of salt concentration on the osmotic pressure in food preservation.
Describe the process of pickling and the role of salt in it.
Describe the role of calcium chloride in food preservation.
Describe the role of potassium sorbate in food preservation.
Explain how sodium chloride acts as a preservative in food.
Explain how the use of ammonium nitrate as a fertilizer can affect the pH of soil.
Explain how the use of salts in agriculture can affect the ionic balance of soil.
Which of the following is a disadvantage of using excessive sodium chloride in food preservation?
(1) Loss of flavor
(2) Increased risk of hypertension
(3) Enhanced microbial growth
(4) Reduced shelf life
Which of the following is a function of calcium propionate in bread?
(1) Acts as a flavor enhancer
(2) Prevents mold growth
(3) Increases shelf life by preventing staling
(4) Adds calcium to the diet
Which of the following is a potential health risk associated with the consumption of foods preserved with high levels of nitrite salts?
(1) Hypertension
(2) Methemoglobinemia
(3) Osteoporosis
(4) Diabetes
Which of the following is a potential negative effect of using excessive chemical fertilizers (salts) in agriculture?
(1) Increased crop yield
(2) Soil acidification
(3) Enhanced food flavor
(4) Improved water quality
Fill in the blank: __________ is a salt used in the curing of cheese to control the growth of bacteria and enhance flavor.
Fill in the blank: __________ is a salt used in the fermentation process of sauerkraut and pickles.
Fill in the blank: __________ is a salt used in the preservation of fish by drawing out moisture and inhibiting bacterial growth.
Fill in the blank: __________ is a salt used to cure meat and prevent the growth of Clostridium botulinum.
State whether the following statement is true or false: 'Calcium phosphate is an important component of superphosphate fertilizers.'
State whether the following statement is true or false: 'Nitrates in fertilizers can leach into groundwater and cause environmental problems.'
State whether the following statement is true or false: 'Salts can be used to control the pH of soil in agriculture.'
True or False: Excessive use of sodium chloride in soil can lead to soil salinization, which negatively affects plant growth.
