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Chapters
2: Water
▶ 3: Chemistry in Everyday Life
4: Our Environment
5: Plants in Daily Life
6: Hardware and Software
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Solutions for Chapter 3: Chemistry in Everyday Life
Below listed, you can find solutions for Chapter 3 of Tamil Nadu Board of Secondary Education Samacheer Kalvi for Science - Term 3 [English] Class 6 TN Board.
Samacheer Kalvi solutions for Science - Term 3 [English] Class 6 TN Board 3 Chemistry in Everyday Life Evaluation [Pages 44 - 45]
Choose the appropriate answer
Soaps were originally made from ______.
proteins
animal fats and vegetable oils
chemicals extracted from the soil
foam booster
The saponification of a fat or oil is done using _____ solution for hot process.
Ammonium hydroxide
Sodium hydroxide
Hydrochloric acid
Sodium chloride
Gypsum is added to the cement for ______.
fast setting
delayed setting
hardening
making paste
Phenol is ______.
carbolic acid
acetic acid
benzoic acid
hydrochloric acid
Natural adhesives are made from ______.
Protein
fat
starch
vitamins
Fill in the Blanks
______ gas causes tears in our eyes while cutting onions.
Water, coconut oil, and _______ are necessary for soap preparation.
______ is called as farmer’s best friend.
______ fertilizer is ecofriendly.
______ is an example for natural adhesive.
True or False. If False, give the correct statement
Concentrated phenol is used as a disinfectant.
True
False
Gypsum is largely used in medical industries.
True
False
Plaster of Paris is obtained from heating gypsum.
True
False
Adhesives are the substances used to separate the components.
True
False
NPK are the primary nutrients for plants.
True
False
Match the following
| 1. | Soap | C6H5 OH |
| 2. | Cement | CaSO4.2H2O |
| 3. | Fertilizers | NaOH |
| 4. | Gypsum | RCC |
| 5. | Phenol | NPK |
Arrange the following statements in correct sequence
- Pour that solution into an empty matchbox, soap can be obtained after drying.
- Take the necessary quantity of water in a jar.
- Then add coconut oil drop by drop and stir it well.
- Add concentrated sodium hydroxide in the jar and allow it to cool.
- Try this soap to wash your hand kerchief.
- Cover your work area with old newspaper.
Analogy
Urea : Inorganic fertilizer: Vermi compost: _______.
Analogy
_______: Natural adhesives: Cello tape: Artificial adhesives.
Give very short answer
What are the three main constituents of soap?
What are the two different types of molecules found in the soap?
Give an example for inorganic fertilizer.
Mention any three physical properties of phenol.
Explain the uses of plaster of paris.
What are the ingredients of the cement?
Why gypsum is used in cement production?
Give short answer
Why earthworm is called as farmer’s friend?
Explain the process of manufacturing cement.
What are the uses of Gypsum?
Answer in detail
How are detergents manufactured?
Questions based on Higher Order Thinking Skills
Ravi is a farmer; he rears many cattle in his farm. His field has many bio wastes. Advise Ravi how to change this bio waste to compost by using vermi -composting techniques. Explain the benefits of vermi castings.
Solutions for 3: Chemistry in Everyday Life
Samacheer Kalvi solutions for Science - Term 3 [English] Class 6 TN Board chapter 3 - Chemistry in Everyday Life
Shaalaa.com has the Tamil Nadu Board of Secondary Education Mathematics Science - Term 3 [English] Class 6 TN Board Tamil Nadu Board of Secondary Education solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. Samacheer Kalvi solutions for Mathematics Science - Term 3 [English] Class 6 TN Board Tamil Nadu Board of Secondary Education 3 (Chemistry in Everyday Life) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
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Concepts covered in Science - Term 3 [English] Class 6 TN Board chapter 3 Chemistry in Everyday Life are Adhesives, Chemical Reaction, Applied Chemistry, Soap, Detergents, Cement, Gypsum, Epsom, Preparation and Uses of Plaster of Paris, Phenol, Fertilizers.
Using Samacheer Kalvi Science - Term 3 [English] Class 6 TN Board solutions Chemistry in Everyday Life 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 Samacheer Kalvi Solutions are essential questions that can be asked in the final exam. Maximum Tamil Nadu Board of Secondary Education Science - Term 3 [English] Class 6 TN Board students prefer Samacheer Kalvi Textbook Solutions to score more in exams.
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