The water in the bowl on which light is focused evaporate quickly because light gives out heat which speeds up the process of evaporation :)
Answer:
This reaction is an example of Hydrohalogenation reaction of alkene.
In this reaction the double bond of alkene acts as nucleophile.
This reaction follows Markovnikov's rule i.e. the bromide will add to more substituted carbon atom.
This is because the carbocation intermediate formed during the reaction is is more stable due to its secondary structure.
The final product is called 2-Bromopropane.
Answer:
I'm pretty sure its C. limestone.