Question

SUBJECT - GENERAL KNOWLEDGE
1.Beetroot,henna and tea make a ___
2.Catachu makes ____ dyes.
3.Roots of indigo plant gives a dark ____ dye.
4.Saffron,a ____ dye is obtained from chrocus plant.
5.The Huang He, Yellow River, flows into the yellow sea between China and korea.It m gets its name from the ____ that is carried downstream.
6.Violets are sweet-scented spring flowers which have the same name as their colour.They are grown for their ____
[MOREOVER,PLEASE DON'T ANSWER IF U DON'T KNOW, IT'S BECAUSE OF A SCHOOL][I WILL MARK U AS THE BRAINLIEST]​

Answer 1

Answer:

A child worked to separate the mixture of dyes constituting a sample of ink. he marked a line by the ink on the filter paper and placed the filter paper in a glass containing water as shown in the figure. the paper was removed when the water moved near the top of the filter paper.

(a) What would you expect to see,if the ink contains three different coloured components?

(b) Name the technique used by the child.

(c) Suggest one more application of this technique.

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Answer

(a) If the ink contains three different coloured components , we see spots of different colours at different heights on the filter paper as seen in the figure . The most soluble in water appears in the highest position , the less soluble in water appears in the middle position and the least soluble in water appears at the lowest position on the chromatograph.

(b) Chromatography

(c) This technique is also used to separate and identify amino acids obtained by hydrolysis of blood.

Answer 2

Answer:

Beetroot henna and tea make a...