Question Type
Mutliple choice question
Question
What dangerous element is in HMI lights and fluorescent lamps?
Answer
No
Rubidium
Yes
Mercury
No
Arsenic
No
Krypton
Old Node ID
3915
Answer Json
{answers:[{answer:Rubidium,img:},{answer:Mercury,img:},{answer:Arsenic,img:},{answer:Krypton,img:}],correct:2}
Old Lesson reference ID
1329