8 9 10 Which one is incorrect about first aid methods when chemical burns are caused by liquid chemicals? Wash with plenty amount of water for a long time. Brush off the chemical on skin with a brush. Remove contaminated clothing and accessories while washing with water. Wash with water and cover with sterilized gauze. Which of the following is not water reactive material? Metal hydride Butyl lithium Metal carbide Methyl ethyl ketone Which instrument checks whether the track is energized or not? 00 0000 Diode Condenser Resistor Electroscope