Waste less time on Facebook — follow Brilliant.
×

Alcohol in starch identification

Why, while checking for starch in a leaf, it is dipped in ALCOHOL before being directly boiled in water?................. a.Alcohol is flammable b.For better heating c.Alcohol is acidic d.Alcohol is basic.............. and why?

Note by Agr Amul
2 years, 10 months ago

No vote yet
1 vote

Comments

Sort by:

Top Newest

But the correct option is a. But how??? Agr Amul · 2 years, 10 months ago

Log in to reply

@Agr Amul Hi! Would you mind sharing the source of this question? Are you in Grade-10? The answer can quite be (a) but scientifically and more importantly- for the experiment to be carried out properly- its instinctive that the chlorophyll has to be removed and that's exactly what Alcohol does Krishna Ar · 2 years, 10 months ago

Log in to reply

@Krishna Ar Well I was solving one of the science question papers, online. I found this question there. By the way thanx. Agr Amul · 2 years, 10 months ago

Log in to reply

Unfortunately none of the options you've given are right. The correct answer is however the simple fact that alcohol removes(denaturizes/decolorizes) the chlorophyll pigment in leaf Krishna Ar · 2 years, 10 months ago

Log in to reply

×

Problem Loading...

Note Loading...

Set Loading...