NEETChemistryp Block Elements (Group 15, 16, 17 & 18)
How is the spontaneous combustion of phosphine used in Holme's signals?
Options
- ATo generate electricity
- BTo produce heat
- CTo create a smoke screen
- DAs a signal when gases evolved burn
Correct answer
D. As a signal when gases evolved burn
Step-by-step solution
The paragraph explains that the spontaneous combustion of phosphine is used in Holme's signals as a way to create a signal when the gases evolved burn.