Answer:hydrated lime is used initially to precipate most of the sulfate as gypsum
Explanation:
The most common method for removing sulfate from highly concentrated waste water is the addition of lime which precipitate calcium sulphate
The next step is the addition of CESR reagent to lime water treated precipitate sulfate..we have the steps as followed: initial surface precipation, metal hydroxide precipitation, final surface precipitation and pH reduction/recarbonation
Answer:
The belief that race causes differences in human character and ability and that a particular race is superior to others is called what? - Racism
Answer:
repression
Explanation:
Repression defense mechanism -
It is a type of psychological defense mechanism which require getting some feelings , thoughts and wishes out of the conscious awareness , is referred to as the Repression defense mechanism .
The focus of this defense mechanism is to get out from any unwanted thoughts and desire , which helps to avoid the situation of anxiety .
Hence, from the question,
Matteo is exhibiting repression defense mechanism .
Answer:
During the American Revolution, he led the colonial forces to victory over the British and became a national hero.
Explanation: