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.
What percentage of oxygen is contained in exhaled air? ...
The formation of water in tissue respiration results from the ...
The lime water in container C turned milky because ...
Which of the following group does NOT reproduce asexually? ...
A mayor difference between plants and animals is that ...
Which of these is not a type of soil? ...
The number of chromosomes in a gamete is represented by ...
The algae, bryophytes, and pteridophytes are similar in that they ...