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Concept Maps
Acids, Bases and Salt — Concept Maps
Gujarat Board · Class 7 · Science
3 concept maps of Acids, Bases and Salt for Gujarat Board Class 7 Science, each also written out as a text outline.
45 questions5 concepts
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3 Concept Maps
Acids, Bases and Salts – Chapter Overview
The map in words
- Acids Bases and Salts
- Acids
- Taste Sour
- Blue Litmus turns Red
- Natural Acids
- Citric Acid
- Lactic Acid
- Acetic Acid
- Formic Acid
- Tartaric Acid
- Mineral Acids
- HCl
- H2SO4
- HNO3
- Bases
- Taste Bitter
- Feel Soapy
- Red Litmus turns Blue
- Examples
- Sodium Hydroxide
- Magnesium Hydroxide
- Calcium Hydroxide
- Baking Soda
- Indicators
- Litmus
- From Lichens
- Acid turns Red
- Base turns Blue
- Turmeric
- Acid stays Yellow
- Base turns Red
- China Rose
- Acid turns Magenta
- Base turns Green
- Phenolphthalein
- Acid is Colourless
- Base turns Pink
- Litmus
- Neutral Substances
- Sugar Solution
- Salt Solution
- Distilled Water
- Neutralisation
- Acid plus Base
- Salt plus Water plus Heat
- Everyday Applications
- Indigestion Treatment
- Ant Bite Treatment
- Soil Treatment
- Factory Waste
- Tooth Decay
- Acids
Complete Classification of Acids, Bases, and Salts
The map in words
- Substances Based on Chemical Nature
- Acids
- Properties
- Taste sour
- Turn blue litmus red
- Feel acidic
- Natural Sources
- Citric acid in citrus fruits
- Acetic acid in vinegar
- Lactic acid in curd
- Tartaric acid in tamarind
- Examples
- Lemon juice
- Vinegar
- Curd
- Properties
- Bases
- Properties
- Taste bitter
- Feel soapy
- Turn red litmus blue
- Natural Sources
- Calcium hydroxide in lime water
- Ammonia in cleaners
- Magnesium hydroxide in medicines
- Examples
- Baking soda
- Milk of magnesia
- Soap solution
- Properties
- Neutral
- Properties
- Neither sour nor bitter
- Do not change litmus
- Have balanced properties
- Examples
- Distilled water
- Common salt solution
- Sugar solution
- Properties
- Indicators
- Litmus
- Red in acids
- Blue in bases
- Turmeric
- Yellow in acids
- Red-brown in bases
- China Rose
- Dark pink in acids
- Green in bases
- Litmus
- Acids
Chapter Overview: Acids, Bases and Salts
The map in words
- Acids Bases and Salts
- Acids
- Sour Taste
- Turns Blue Litmus Red
- Natural Acids
- Citric Acid in Lemon
- Lactic Acid in Curd
- Acetic Acid in Vinegar
- Tartaric Acid in Tamarind
- Formic Acid in Ant Sting
- Ascorbic Acid in Amla
- Bases
- Bitter Taste
- Soapy to Touch
- Turns Red Litmus Blue
- Examples
- Calcium Hydroxide Lime Water
- Magnesium Hydroxide Milk of Magnesia
- Sodium Hydroxide in Soap
- Ammonium Hydroxide Window Cleaner
- Indicators
- Litmus from Lichens
- Red in Acid
- Blue in Base
- Purple in Neutral
- Turmeric
- Brownish Red in Base
- No Change in Acid
- China Rose
- Magenta in Acid
- Green in Base
- Phenolphthalein
- Colourless in Acid
- Pink in Base
- Litmus from Lichens
- Neutral Substances
- Neither Acid nor Base
- No Change in Litmus
- Examples Sugar Water Salt
- Neutralisation
- Acid Plus Base gives Salt Plus Water Plus Heat
- HCl Plus NaOH gives NaCl Plus Water
- Heat Always Produced
- Everyday Applications
- Indigestion uses Antacid Milk of Magnesia
- Ant Bite uses Baking Soda or Calamine
- Acidic Soil uses Quick Lime or Slaked Lime
- Basic Soil uses Compost Organic Matter
- Factory Waste Neutralised by Base
- Acid Rain from SO2 NO2 CO2
- Acids
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Explore DiagramsFrequently Asked Questions
What are the important topics in Acids, Bases and Salt for Gujarat Board Class 7 Science?
Key topics in Acids, Bases and Salt include 1 Acids and Bases — Meaning and Properties, 2 Natural Indicators — Litmus, Turmeric, and China Rose, 3 Neutralisation — The Reaction Between Acids and Bases, 4 Neutralisation in Everyday Life. Study these first, then practise questions on each for Class 7 exams.
What do the concept maps for Acids, Bases and Salt show?
The 3 maps show how the ideas in Acids, Bases and Salt connect: Acids, Bases and Salts – Chapter Overview; Complete Classification of Acids, Bases, and Salts. Each map is also written out as an outline on this page.
How should I revise Acids, Bases and Salt for Class 7 exams?
Learn the core ideas first, then work through the 45 practice questions on Acids, Bases and Salt. Revise definitions regularly and use flashcards for quick recall before the exam.
Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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