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Balbharati solutions for Class 8 Science chapter 12 - Introduction to Acid and Base

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Chapters

Balbharati Balbharati Class 8 Science - General Science

Balbharati Class 8 Science - General Science - Shaalaa.com

Chapter 12: Introduction to Acid and Base

Exercise

Chapter 12: Introduction to Acid and Base Exercise Exercise solutions [Page 88]

Exercise | Q 1 | Page 88

Identify the following solutions, whether they are acid or alkali.

Solution Change in Indicator Acid/Alkali
  Litmus Phenolphthalein Methyl orange  
1. ... No change ...  
2. ... ... Orange colur turns red  
3. Red litmus turns blue ... ...  
Exercise | Q 2 | Page 88

Write chemical names from given formulae.
H2SO4,   Ca(OH)2,    HCl,  NaOH,  KOH, NH4OH

Exercise | Q 3 | Page 88

Sulphuric acid has highest importance in chemical industry. Why?

Exercise | Q 4.1 | Page 88

Give answers

Which acid is used for getting chloride salt ?

Exercise | Q 4.2 | Page 88

Give answers

By squizzing lemon on a piece of rock the gas liberated turned lime water milky. which compound is present in the rock ?

Exercise | Q 4.3 | Page 88

Give answers

The label on the bottle of chemical is spoiled. How will you find whether the chemical is acidic or not ?  

Exercise | Q 5.1 | Page 88

Answer the following question.

Explain the difference between acid and alkali.

 
Exercise | Q 5.2 | Page 88

Answer the following question.

Why indicator does not get affected by salt?

Exercise | Q 5.3 | Page 88

Answer the following question.

Which substances are produced by neutralization process?

Exercise | Q 5.4 | Page 88

Answer the following question.

Which are the industrial uses of adids ?

Exercise | Q 6.1 | Page 88

Fill in the blanks using appropriant words.

Main constituent of acid is ____________.

Exercise | Q 6.2 | Page 88

Fill in the blanks using appropriant words.

Main constituent of alkali is _____________.

Exercise | Q 6.3 | Page 88

Fill in the blanks using appropriant words.

Tartaric acid is a................ acid.

Exercise | Q 7 | Page 88

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
Exercise | Q 8.1 | Page 88

State true of false

Oxides of metals are alkaline in nature.

  • True

  • False

Exercise | Q 8.2 | Page 88

State true of false

Salt is acidic.

  • True

  • False

Exercise | Q 8.3 | Page 88

State true of false.

Metal corrodes due to salts

  • True

  • False

Exercise | Q 8.4 | Page 88

State true of false.

Salts are neutral.

  • True

  • False

Exercise | Q 9 | Page 88

Classify following substances into acidicm basic and neutral group-

HCl,   NaCl,  MgO,  KCl,  H2SO4,  HNO3,  H2O,  Na2CO3

Chapter 12: Introduction to Acid and Base

Exercise

Balbharati Balbharati Class 8 Science - General Science

Balbharati Class 8 Science - General Science - Shaalaa.com

Balbharati solutions for Class 8 Science chapter 12 - Introduction to Acid and Base

Balbharati solutions for Class 8 chapter 12 (Introduction to Acid and Base) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the Maharashtra State Board Balbharati Class 8 Science - General Science solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com provide such solutions so that students can prepare for written exams. Balbharati textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in Class 8 Science chapter 12 Introduction to Acid and Base are Concept of Acid, Natural Indicators Around Us, Properties of Acid, Uses of Acids, Concept of Base/Alkali, Neutalization.

Using Balbharati Class 8 solutions Introduction to Acid and Base exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in Balbharati Solutions are important questions that can be asked in the final exam. Maximum students of Maharashtra State Board Class 8 prefer Balbharati Textbook Solutions to score more in exam.

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