Question

what hazardous properties does sodium hydroxide have? (check all that apply)
corrosive.
can release dangerous amount of heat when dissolved in water.
can be fatal if ingested.
can cause blindness if it contacts your eyes.

Explanation:

Sodium hydroxide is a strong base. It is corrosive as it can react with and damage many materials. When dissolved in water, it is highly exothermic, releasing a dangerous amount of heat. Ingestion is extremely harmful and can be fatal due to its caustic nature. Contact with eyes can cause severe damage and potentially blindness.

Answer:

Corrosive.
Can release dangerous amount of heat when dissolved in water.
Can be fatal if ingested.
Can cause blindness if it contacts your eyes.