When evaluating the benefits and risks of salt use, why are 'long-term risks' like soil salinity often considered more problematic than short-term benefits?

They immediately increase the cost of food production

They are only hazardous when the salt is in its solid form

They build up gradually and are difficult to reverse

They prevent the salt from dissolving in water

Question

Hygroscopic salts used in packaging are a potential hazard because if they __________ the absorbed water, they can cause corrosion or mould in the very products they were meant to protect.

What physical change can some hygroscopic salts undergo when they absorb a significant amount of water from the atmosphere?

According to regulatory guidelines, what is the primary reason many lead-based salts have been removed from consumer products like paint?

Why must the concentration of salts in intravenous (IV) solutions be precisely controlled by medical professionals?

MYP MYP Chemistry Topic Uses of Salts Questionbank

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freeze

evaporate

release

sublime

They become completely insoluble

They undergo thermal decomposition

They sublimate into a gas

They can turn into a liquid solution

To prevent chronic health issues and developmental damage in humans

To increase the solubility of the paint in water

To reduce the cost of manufacturing paint

To make the paint dry faster

To ensure the salt precipitates out of the solution once inside the body

To maximize the toxicity of the ions against bacteria

To maintain the delicate electrolyte and fluid balance in the body

To increase the boiling point of the patient's blood