Question
Activated charcoal is used to remove colouring matter
from pure substances by which of the following process?Solution
Adsorption is the adhesion of atoms, ions or molecules from a gas, liquid or dissolved solid to a surface. This process creates a film of the adsorbate on the surface of the adsorbent. Thus, in order to remove colouring matter from pure substances through activated charcoal, process of Adsorption is followed.
Select the word with the correct spelling.Â
The researchers from Duke University in the US developed the prototype based on odour recaptors grown from the genes of mice that respond to target odours.
Select the INCORRECTLY spelt word.
Select the appropriate answer.
Choose the word with the correct spelling.
In each group, one word is correctly spelt. Find the correct word.
Choose the correctly spelt word?
In each of the questions below, a sentence is given with four words highlighted in bold in the sentence. Among these bold words, one may be wrongly spe...
 In the sentence, four highlighted words are given. One of these words may be misspelt or inappropriate in the context of the sentence. Find out the w...
Four words are given, out of which only one word is spelt correctly. Choose the correctly spelt word and click the button corresponding to it.
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