There is no such law.
yes, as long as they are competent
Rubbing alcohol (isopropyl alcohol) is toxic when ingested and can potentially be fatal in large quantities, even for someone with a tolerance to alcohol. It should never be consumed as a recreational beverage due to the serious health risks it poses.
An alcohol testing machine is also known as a Breath Anaylser. These can be purshased online, from many various branchs, such as Amazon, UK Breath Anaylsers, Lextox and Lifeloc.
"Yes alcohol breath testers work. You breath into a breath tester and it reads the alcohol content of your breath. Cops can pull over people and test them to see if they are drunk, and can arrest you if you are."
No, blood alcohol level and breath alcohol level are not the same. Blood alcohol level is a direct measurement of the amount of alcohol in the blood, while breath alcohol level is an indirect measurement based on the amount of alcohol in the breath, which is correlated with blood alcohol level.
Breath alcohol level refers to the amount of alcohol vapor in the breath. Alcohol is excreted into the lungs from the blood in a fixed proportion to the amount in the blood. Therefore, measuring breath alcohol gives an indirect, but accurate, measurement of the amount of alcohol in the blood, and the degree of impairment to brain function.
At home.
Physical size, gender, amount of alcohol consumed, time period over which alcohol is consumed, contents of stomach, etc.
The odor of an alcoholic beverage on the breath will dissipate with time. It's also possible to cover the odor with breath mints, mouthwash, etc. However, doing so will not prevent the detection of the alcohol in an alcohol breath test.
Alcohol of that strength is hygroscopic, it will kill you.
Alcohol is good for the body if consumed in moderation.