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NCERT Solutions for Class 10 Science Chapter 2 Acids Bases and Salts

VIGYAN
NCERT Solutions for Class 10 Science Chapter 2 Acids Bases and Salts NCERT Solutions for Class 10 Science Chapter 2: Acids, Bases and Salts NCERT Questions Question 1 You have been provided with three test tubes. One of them contains distilled water and the other two contain an acidic solution and a basic solution, respectively. If you are given only red litmus paper, how will you identify the contents of each test tube? Show Answer Answer: Take a small volume of all three liquids in three different test tubes. Dip red litmus paper strips separately in all the three test tubes. The tube in which red litmus strip turns blue, contains a basic solution. Now, we use the blue litmus paper as testing paper and dip it into the remaining two solutions. The solution which changes the colour of the blue litmus paper into red is acidic and the other which does not affect it, is neutral, i.e. distilled water. Question 2 Why should curd and other sour substances not be kept in containers made up of brass o…