melik74 melik74
  • 25-11-2019
  • Chemistry
contestada

2. If you had three unknowns which are starch, BaSO4, and MgO, how can you identify starch among them ?

Respuesta :

showforth
showforth showforth
  • 25-11-2019

Answer:

A chemical test for starch is to add iodine solution (yellow/brown) and look for a colour change. In the presence of starch, iodine turns a blue/black colour

Explanation:

Answer Link

Otras preguntas

What does the word tactics mean in this sentence?
Jasmine is converting £200 to euros. The exchange rate is € 1 = 77p. How many euros will she get?
Cloth diapers cannot be used in a child care situation
Why is the yellow river (huang he river) sometimes referred to as "china's sorrow" in chinese history?
what do you think that west africans would be most lickly to ask the gods for through thier music and dance
How were witches viewed in shakespeares time
Which statement describes the chromosomes by the end of telophase of mitosis? A. The chromosome pairs connect in a line across the middle of the cell B. The chr
The lengths of pregnancies are normally distributed with a mean of 268 days and a standard deviation of 40.7. if we stipulate that a baby is premature if the le
What are three things that the cell does during interphase?
To kill a mockingbird annotations chapter 5