So I started grade 12 chemistry tutions from sir. He is extremely short tempered and impatient.He expects you to grasp everything on the first go and doesn't like to answer your questions.He shouted on me when I asked him a doubt and told me I should be aware of it. He doesn't even deserve even 1 star but there no lower rating than this.I would recommend everyone not to hire him because teaching the student should be his first priority.
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