2. Acids, Bases and Salts Class 10 Science [LATEST] Solutions Additional Questions With Solutions in English - CBSE Study
NCERT Solutions for Class 10 Science are carefully prepared according to the latest CBSE syllabus and NCERT textbooks to help students understand every concept clearly. These solutions cover all important 2. Acids, Bases and Salts with detailed explanations and step-by-step answers for better exam preparation. Each Additional Questions With Solutions is explained in simple language so that students can easily grasp the fundamentals and improve their academic performance. The study material is designed to support daily homework, revision practice, and final exam preparation for Class 10 students. With accurate answers, concept clarity, and structured content, these NCERT solutions help learners build confidence and score higher marks in their examinations. Whether you are revising a specific topic or preparing an entire chapter, this resource provides reliable and syllabus-based guidance for complete success in Science.
Class 10 English Medium Science All Chapters:
2. Acids, Bases and Salts
4. Additional Questions With Solutions
Extra Queations:-
Q1.Write three importance of pH in daily life.
Ans: Importance of pH in daily life.
(i)If pH of our mouth lowers than 5.5 then starts tooth decay.
(ii)Our body works within the range of pH 7.0 to 7.8.
(iii)To find out specific pH range of Soil, in which they grow well.
Q2.Why is Sodium Hydrogen Carbonate a main component of antacid?
Ans: Sodium Hydrogen carbonate is a main component of antacid because it is a basic substance which reacts with stomach’s acid HCl and neutralizes it.
Q3. Why is distilled water not conductor of electric while rain water is a good conductor?
Ans: distilled water is not conductor of electric because there is no H+ ions in it, distilled water is neutral, while rain water’s property is weak acidic. There is no H+ ions which is responsible for carrying the electric current.
Q4. What is the common name of CaOCl2 compound?
Ans: Bleaching Powder.
Q5. Name the substance which reacts with chlorine to form bleaching powder.
Ans. calcium hydroxaide
Q6. Which sodium compound is used to soften hard water?
Ans. Na2CO3.10H2O (washing soda)
Q7. What will happen when sodium hydrogencarbonate solution is heated? Write the equation for this reaction.
Ans. When sodium hydrogen carbonate solution is heated, sodium carbonate, water and carbon dioxide gas are emitted.
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