The colour change to be observed in step IV is
...The colour change to be observed in step IV is
blue-black
brick-red
purple
violet
Correct answer is B
A positive test with Benedict's reagent is shown by a color change from clear blue to a brick-red precipitate.
Which of the following statements about phenylthiocarbamide (PTC) is not correct? ...
Members of the vitamin B complex are ...
Which of the following characters is not a morphological variation? ...
The part labelled I is the_________ ...
A population that exceeds its carrying capacity and then collapses is represented graphically b...
The part of the brain that controls body posture in mammals is the ...
Which of the following is involved in secondary thickening in plants? ...