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Chapters
3.1: The Plate of Gold
3.2: The Kite Festival
3.3: The Last Leaf
3.4: Leisure
मराठी
८: गिर्यारोहणाचा अनुभव
९: झुळूक (कविता)
१०: आम्ही हवे आहोत का?
Mathematics
10: Division of Polynomials
11: Statistics
12: Equations in One Variable
13: Congruence of Triangles
General Science
10: Cell and Cell Organelles
11: Human Body and Organ System
▶ 12: Introduction to Acid and Base
13: Chemical Change and Chemical Bond
14: Measurement and Effects of Heat
History
8: Civil Disobedience Movement
9: Last Phase of Struggle for Independence
10: Armed Revolutionary Movement
Civics
4: The Indian Judicial System
Geography
6: Land Use
7: Population
8: Industries
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Solutions for Chapter 12: Introduction to Acid and Base
Below listed, you can find solutions for Chapter 12 of Maharashtra State Board Balbharati for Integrated 8 Standard Part 3 [English Medium] Maharashtra State Board.
Balbharati solutions for Integrated 8 Standard Part 3 [English Medium] Maharashtra State Board 12 Introduction to Acid and Base Exercises [Page 84]
Identify the following solutions, whether they are acid or base.
| Solution | Change in Indicator | Acid/Base | ||
| Litmus | Phenolphthalein | Methyl orange | ||
| 1. | -- | No change | -- | |
| 2. | -- | -- | Orange colour turns red | |
| 3. | Red litmus turns blue | -- | -- | |
Write chemical names from given formulae.
H2SO4
Write chemical name from given formulae.
Ca(OH)2
Write chemical name from given formulae.
HCl
Write chemical name from given formulae.
NaOH
Write chemical name from given formulae.
KOH
Sulphuric acid has the highest importance in the chemical industry. Why?
Give answers.
Which acid is used for getting chloride salt?
By squeezing lemon on a piece of rock the gas liberated turned lime water milky. which compound is present in the rock?
The label on the bottle of chemical is spoiled. How will you find whether the chemical is acidic or not?
Answer the following questions.
State the differences between acids and bases.
Why indicator does not get affected by salt?
Which substances are produced by the neutralization process?
Which are the industrial uses of acids?
Fill in the blanks.
Main constituent of acid is ______.
Main constituent of base is ______.
Tartaric acid is a ______ acid.
Match the pairs.
| Group A | Group B |
| 1. Tamarind | a. Acetic acid |
| 2. Curd | b. Citric acid |
| 3. Lemon | c. Tartaric acid |
| 4. Vinegar | d. Lactic acid |
State true or false.
Oxides of metals are acidic in nature.
True
False
Table salt is acidic.
True
False
Metal corrodes due to salts.
True
False
Salts are neutral.
True
False
Classify the following substances into Acidic, Basic, and Neutral groups.
HCl, NaCl, MgO, KCl, CaO, H2SO4, HNO3, H2O, Na2CO3
Balbharati solutions for Integrated 8 Standard Part 3 [English Medium] Maharashtra State Board 12 Introduction to Acid and Base Project [Page 84]
Write in your own language the uses and importance of neutralization reaction in daily life.
Solutions for 12: Introduction to Acid and Base
Balbharati solutions for Integrated 8 Standard Part 3 [English Medium] Maharashtra State Board chapter 12 - Introduction to Acid and Base
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Concepts covered in Integrated 8 Standard Part 3 [English Medium] Maharashtra State Board chapter 12 Introduction to Acid and Base are Bases (Alkalis), Indicators, Types of Double Displacement: Neutralization Reaction, Acids, Properties of Acids, Uses of Acids, Properties of Bases (Alkalis), Uses of Bases, Making of natural indicator.
Using Balbharati Integrated 8 Standard Part 3 [English Medium] Maharashtra State Board solutions Introduction to Acid and Base exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in Balbharati Solutions are essential questions that can be asked in the final exam. Maximum Maharashtra State Board Integrated 8 Standard Part 3 [English Medium] Maharashtra State Board students prefer Balbharati Textbook Solutions to score more in exams.
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