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5. Acids, Bases and Salts Science class 7 in English Medium ncert book solutions Assignment
5. Acids, Bases and Salts Assignment – Complete NCERT Book Solutions for Class 7 Science (English Medium). Get all chapter explanations, extra questions, solved examples and additional practice questions for 5. Acids, Bases and Salts Assignment to help you master concepts and score higher.
5. Acids, Bases and Salts Science class 7 in English Medium ncert book solutions Assignment
NCERT Solutions for Class 7 Science play an important role in helping students understand the concepts of the chapter 5. Acids, Bases and Salts clearly. This chapter includes the topic Assignment, which is essential from both academic and examination point of view. The solutions provided here are prepared strictly according to the latest NCERT syllabus and follow the guidelines of CBSE to ensure accuracy and relevance. Each question is explained in a simple and student-friendly manner so that learners can grasp the concepts without confusion. These NCERT Solutions are useful for regular study, homework help, and exam preparation. All textbook questions are solved step by step to improve problem-solving skills and conceptual clarity. Students of Class 7 studying Science can use these solutions to revise important topics, understand difficult questions, and practise effectively before examinations. The chapter 5. Acids, Bases and Salts is explained in a structured way, making it easier for students to connect the theory with the topic Assignment. By studying these updated NCERT Solutions for Class 7 Science, students can build a strong foundation, boost their confidence, and score better marks in school and board exams.
5. Acids, Bases and Salts
Assignment
Extra Question:
Que: What is the testy for acids and bases using litmus paper?
Ans: Acids turn blue litmus paper red while bases turn red litmus paper blue.
Que: What name is given to those to those substances which do not change the color of either red or blue litums paper?
Ans: The solutions or substances which do not change the color of either red or blue litmus paper are meutral.
Que: Write the name of two indicators which occur naturally?
Ans:
- Turmeric
- China rose
Que: Name the acid present in lemon juice and tomato?
Ans: Citric acid in lemon juice and oxalic acid in tomato.
Que: Name a substance which is used to cure the discomfort caused by indigestion due to over eating?
Ans: Milk of magnesia which contains magnesium hydroxide is used to neutralise the effect of excessive acid in stomach.
Que: Is time water an acidic or basic solution?
Ans: Lime water is basic solution.
Que: Name the reaction when an acid is mixed with base.
Ans: Neutralisation reaction.
Que: Which acid is injected into our body an ant sting that causes pain?
Ans: The acid is formic acid which is injected into the skin of a person when an ant bites.
Que: Write twi basic substances which we use in our daily life?
Ans:
- baking soda
- Soap or detergent
Que: Name one acid which is responsible for acid rain.
Ans: Carbonic acid.
Que: Why are sodium bicarbonate and lemon used during indigestion?
Ans: Sodium bicarbonate neutralises the acidity in the stomach. Hence, it is used during indigestion. Lemon contains acid. It reacts with undigested food and suffers it.
Que: How lime water is prepared in the laboratory?
Ans: To prepare lime water, disslove some lime in water in a bottle. Stir the solution and keep it for sometime. pour a little from the top. This is lime water.
Que: Which is an acid - base indicator?
Ans: Turmeric.
See other sub-topics of this chapter:
1. Chapter Review 2. NCERT Exercise 3. Additional Questions with Solutions 4. Assignment