Question

Complete the following by the blanks 1to 5 with appropriate words/terms/phrases
To test the leaf for starch the leaf is boiled in water............ (1)
It is next boiled in methylated spirit to .........(2)
The leaf is placed in warm water to soften it. It is then placed in a dish and.........(3)
Solution is added. The region, which contains starch, turns ...........(4). and the region, which does not contain starch, turns
.........(5)​

Answer 1

Answer:1) to destroy enzymes

2) to destroy chlorophyll

3)NaoH(like) or KOH solution

4)blue- black

5) brownish

Explanation: