False. Alcohol-based hand sanitizer can effectively kill many types of germs and bacteria on the hands, even if there is surface dirt present. While handwashing with soap and water is generally recommended when hands are visibly dirty, hand sanitizer can still be an effective substitute in situations where soap and water are not readily available.
False. Alcohol-based hand sanitizers are effective in killing many types of germs on the hands, including viruses and bacteria. While they do not remove surface dirt, they can still be used as an alternative when handwashing with soap and water is not immediately available. However, it is still recommended to wash hands with soap and water whenever possible to remove dirt and debris.
