→ It includes materialistic and genetic heritage. NaOH (solution B) is a base which turns red litmus blue. Downlaod All Notes; Page 1 of 7. Answer: The carbon dioxide gas so produce is poured over fire. Plaster of Paris should be stored in a moisture proof container because the presence of moisture can cause slow setting of plaster of Paris by bringing about its hydration. Answer: One of them contains distilled water and the other two contain an acidic solution and a basic solution, respectively. Read on to find out NCERT Solutions for Class 10 Science Chapter 2 Exercise and Extra Questions. You go to school daily and learn new things. Page 5 of 7. A solution has pH value of 5. (b) C The font text of Ncert Class 10th Science Book is very attractive and simple. If it develops bubbles, the soil is too acidic. What is the common name of the compound CaOCl2? (b) Salts which are completely ionisable in water are said to be neutral salts and their pH is equal to 7. Chemical properties of base are just opposite to that of acids. Question 1 CBSE Class 10 Science Multiple Choice Questions with Answer Keys. Under what soil condition do you think a farmer would treat the soil of his fields with quick lime (calcium oxide) or slaked lime (calcium hydroxide) or chalk (calcium carbonate)? Sulphuric acid > Aluminium sulphate + Hydrogen The NCERT Class 10 Science Chapter 2 questions and answers will also cover the importance of pH in everyday life, the pH range of acidic, basic and neutral solution and the wide applications of pH scale. Which is the most appropriate set up? (iii) The solution which has no effect on any litmus paper will be neutral and hence it will be distilled water. Solution: This will make the plaster of Paris useless after sometime. Question 1 Question 14 Question 27 Which of the following would change the colour of this pH paper to greenish blue? → Physical and mental characteristics from the parents by birth is known as Genetic inheritage. Chapter 1: Chemical Reactions; Chapter 2: Acids Bases and Salts; Chapter 3: Metals and Non-metals; Chapter 4: Carbon and its Compounds; Chapter 5: Periodic Classification of Elements ; Chapter 6: Life Processes; Chapter 7: Control and Coordination; Chapter 8: How do Organisms Reproduce? It is the fixed number of water molecules present in one formula unit of a salt e.g. Answer: Explain why? NCERT Solutions Class 10 Science Chapter 2: Acids, Bases and Salts. Solution: NaOH + HCl → NaCl + H2O H2 gas is not soluble in water. In which test-tube will fizzing occur more vigorously and why? Carbonic acid provides hydrogen ions, H+ (aq) and carbonate ions, CO(aq)32to rainwater. (c) 5 Question 10 CBSE Schools Educational Study Material. Compounds such as alcohol and glucose also contain hydrogen but are not categorised as acids. (d) IV Question 1 2NaOH + CO2 → Na2CO3 + H2O, Salt is formed by combination of acid and base through neutralization reaction. And we know that a basic solution turns pH paper blue. Washing soda If you have any query regarding Rajasthan Board RBSE Class 10 Science Chapter 2 मानव तंत्र, drop a comment below and we will get back to you at the earliest. Universal indicator is the combination of many indicators, such as water, propanol, phenolphthalein, sodium salt, sodium hydroxide, methyl red, bromothymol blue monosodium salt, and thymol blue monosodium salt. (c) 12 mL Why should curd and sour substances not be kept in brass and copper vessels? Describe an activity to prove it. CBSE Class 10 Science MCQs Chapter 2 Acids, Bases and Salts In CBSE Board Exam 2020, Class 10 Science question paper will have Multiple Choice Type Questions (MCQs) in Section A. Question 11 Question 16 Class 10 Science Chemistry Chapter 2 Notes. H2SO4 + Zn → ZnSO4 + H2 Heritage of India Class 10 GSEB Notes Social Science Chapter 2 Cultural Heritage of India: Traditional Handicraft and Fine Arts Class 10 GSEB Notes → India is a country of rich cultural heritage. It also reacts with metals gives salt and hydrogen gas. (b) The liquid sample is of sodium bicarbonate (NaHC3) solution. By taking online test of NCERT Class 10 Science Textbook, you will be able to have deep understanding of that chapter. Also in this article, you will find the Step-wise explanation for each and every question. Chapter 2. September 4, 2017 at 12:01 pm Reply . naturally occurring acids are weak acids. NCERT Books. Chapter Wise Multiple Choice Questions of 10th Class Social Science will help you test your knowledge regarding the Chapter. Diluting an acid should be done by adding concentrated acid to water gradually with stirring and not by adding water to concentrated acid. (b) Strongly alkaline Answer: In which set up, no gas is evolved? Question 2. Study Material and Notes of Ch 2 Acids, Bases and Salts Class 10th Science. The solution contains Explanation of every important term related to Acids and Bases. Being strong acid, the hydrochloric acid solution contains a much greater amount of hydrogen ions in it due to which the fizzing will occur more vigorously in test tube A (containing hydrochloric acid). Why do acids not show acidic behaviour in the absence of water? Balbharati solutions for Science and Technology Part 2 10th Standard SSC Maharashtra State Board chapter 3 (Life Processes in Living Organisms Part - 2) include all questions with solution and detail explanation. Links of each test tube a can Buy ncert Class 10th Science question bank question Why... Below with answers substances which indicate the acidic solution equations and reactions related to these three forms of chemical.! 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