Which of the following statement is correct for ammonia as a refrigerant?

Question: Which of the following statement is correct for ammonia as a refrigerant?
[A].

It is toxic to mucous membranes.

[B].

it requires large displacement per TR compared to fluoro carbons.

[C].

It reacts with copper and its alloys.

[D].

all of these

Answer: Option D

Explanation:

No answer description available for this question.