Smoke appears when compound is present in the fuel.
A
involatile
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
volatile
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
acidic
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
basic
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is B volatile If the temperature gets high enough, these compounds burst into flame. Once they start burning, there is no smoke because the hydrocarbons are turned into carbon dioxide and water (both invisible) when they burn.