Question

3.
Take three watch glasses marked as 'A', 'B' and 'C'. Take some milk in A, mustard oil in B and petrol in the watch
glass C. Bring a burning matchstick near all these three substances. Which one will catch fire instantly and why?​

Answer 1

Answer:

watch glass filled with petrol(C) because petrol is highly inflammable substance other than mustard oil and milk

I hope my answer helps you☺☺