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NCERT Solutions for Class 10 Science all chapters in PDF for

Post a comment. Acids, Bases and Salts Solved Exercises. Question 1. A solution turns red litmus blue, its pH is likely to be a 1 b 4 c 5 d 10 Answer : d 10 Question 2. A solution reacts with crushed egg-shells to give a gas that clxss lime-water milky. Which one of the following types of medicines is used for treating indigestion? Write word equations and then balanced equations for the reaction taking place when � a dilute sulphuric acid reacts with zinc granules.

Compounds such as alcohols and glucose also contain hydrogen but are not categorised ncert solutions for class 10th science chapter 2 level acids.

Describe an Activity to prove it. Answer : As we know, an Acidic or basic solutions in water conduct electricity because they produce hydrogen and hydroxide ions respectively. To prove this, a lab apparatus for conducting an experiment based activity has been set as shown in the figure given clss : Acid Solution in water conduct electricity First of all we take solutions of glucose, alcohol, hydrochloric acid, sulphuric acid.

Then fix two nails on a cork as fot in the figure, and place the cork in a mL beaker. After that Connect the nails to the two terminals of a 6 volt battery through a bulb and a switch, as shown in Figure. Now pour some dilute HCl in the beaker and switch on the current. Repeat the same with ncert solutions for class 10th science chapter 2 level sulphuric acid. In both the cases, we observe that when we use dilluted acids such as hydrochloric acid or solutiobs acid the bulb glow as they get dissociate into ions which are must for conduction of electricity.

Where as, when we repeat the experiment separately with glucose and alcohol solutions, we observe that the bulb 10hh not eolutions. Which implies that soolutions does not disassociate into ion.

Therefor, glucose or alcohal is not an acid. No comments:. Newer Post Older Post Home. Subscribe to: Post Comments Atom. Acid Solution in water conduct electricity.

Also, students will get to know the importance of using several non-conventional types of energy rather than the conventional options. The chapter explains the different types of reproduction such as sexual and asexual. In Chapter 3 of Class 10 Science, we will study that elements can be classified as metals and non-metals. In addition, physical processes such as high temperature and pressure also act on them however, under ambient conditions these substances persist in our environment for a very long time. The common defects of vision, which are included in Class 10 Science Chapter 11, are myopia, hypermetropia and presbyopia. Give the equation of the reaction involved?

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