Question Type
Mutliple choice question
Question
What should not come in contact with unused quartz glass bulbs?
Answer
No
Cotton
No
Electricity
Yes
Oils from human skin
No
Other quartz glass bulbs
Old Node ID
3980
Answer Json
{answers:[{answer:Cotton,img:},{answer:Electricity,img:},{answer:Oils from human skin,img:},{answer:Other quartz glass bulbs,img:}],correct:3}
Old Lesson reference ID
1329