Important : These are some basic guidelines and tips.
Buffers work by neutralizing any added acid (H+ ions) or base (OH- ions) to maintain the moderate pH, making them a weaker acid or base. ... The further addition of an acid or base to the buffer will change its pH quickly
Stay away from a specific job. You cannot win. If you say the job you are contending for is it, you strain credibility. If you say another job is it, you plant the suspicion that you will be dissatisfied with this position if hired. The best is to stay genetic and say something like A job where I love the work, like the people, can contribute and cannot wait to get to work.
Specifics here are not good. Something like this should work. I would like it to be a long time. Or As long as we both feel I am doing a good job.
This may take some thought and certainly, should be based on the research you have done on the organization. Sincerity is extremely important here and will easily be sensed. Relate it to your long term career goals.
A loaded question. A nasty little game that you will probably lose if you answer first. So, do not answer it. Instead, say something like, That is a tough question. Can you tell me the range for this position In most cases, the interviewer, taken off guard, will tell you. If not, say that it can depend on the details of the job. Then give a wide range.
Speak about specifics that relate to the position you are applying for. If you do not have specific experience, get as close as you can.