Clorox bleach can be safely used to purify water in the event of an emergency. Clorox recommends adding 2 drops of bleach to 1 quart of water or 8 drops of bleach to 1 gallon of water. Clorox warns that only regular bleach is suitable for purifying water; scented bleaches are not safe for water purification.
The pass mark for the Theory Test is 86%, so you'll need to answer 43/50 multiple choice questions correctly to pass. And for the hazard perception section of the test, you need to score 44/75. You must score a pass in both sections of the theory test to pass the overall test. What is the current pass rate for the theory test? The 2015/16 pass rate for the theory test is 49.3%*, which means just over half of all people who sit their Theory Test fail it.
There is two pages with 20 questions each, for a total of 40 questions. You can get a maximum 4 wrong on each page. (80% on each page). It`s all multiple choice.If you get 5 wrong on one page and 3 on the other, you will fail the test and the points needed regarding the g test is 3 to 4 i hope my answer will help you.