During charging Hydrogen evolved produces explosive mixture when it is more than Warning: Trying to access array offset on false in /home3/indiakep/public_html/wp-content/plugins/dw-question-answer/inc/Template.php on line 8 All Questions › Category: Battery Management System › During charging Hydrogen evolved produces explosive mixture when it is more than 0 Vote Up Vote Down Rajasri Mundrathi Staff asked 5 years ago Options: a) 2 %b) 4 %c) 6 %d) 8 % 1 Answers 0 Vote Up Vote Down Rajasri Mundrathi Staff answered 5 years ago The correct answer is 8%