Here the Quick 5 Questions test for Assessment
When you add a few drops of acetic acid to a test-tube containing sodium bicarbonate powder, which one of the following is your observation?
Which of the following salts does not contain water of crystallisation?
Tooth decay can be cured by a toothpaste by a reaction called as :
The blue-green colour of the solution is due to the formation of copper(II) chloride in the reaction' is an example of which kind of chemical reaction?
What is used with acid in fire extinguishers to produce carbon dioxide gas?
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