Can employers check your previous salary?

I've learned from my previous interviews that employers don't take your experiences seriously when you have a low paying job.and they try to match the previous salary regardless how much experience you have. My previous salary is a below average and i wanted to increase it by a couple of dollars on my new... show more I've learned from my previous interviews that employers don't take your experiences seriously when you have a low paying job.and they try to match the previous salary regardless how much experience you have. My previous salary is a below average and i wanted to increase it by a couple of dollars on my new job application. is there anyway for the new employer to check if that amount is correct?
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