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Chapters
2: Universe and Space
3: Polymer Chemistry
▶ 4: Chemistry in Daily Life
5: Animals in Daily Life
6: Visual Communication
![Samacheer Kalvi solutions for Science - Term 3 [English] Class 7 TN Board chapter 4 - Chemistry in Daily Life - Shaalaa.com](/images/science-term-3-english-class-7-tn-board_6:5f2b1b2038084cf381bfa42c826a928c.jpg "Samacheer Kalvi solutions for Science - Term 3 [English] Class 7 TN Board chapter 4 - Chemistry in Daily Life")
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Solutions for Chapter 4: Chemistry in Daily Life
Below listed, you can find solutions for Chapter 4 of Tamil Nadu Board of Secondary Education Samacheer Kalvi for Science - Term 3 [English] Class 7 TN Board.
Samacheer Kalvi solutions for Science - Term 3 [English] Class 7 TN Board 4 Chemistry in Daily Life Evaluation [Pages 78 - 79]
Choose the correct answers
A drug effective in the treatment of pneumonia, and bronchitis, is______.
Streptomycin
Chloramphenicol
Penicillin
Sulphaguanidine
Aspirin is ______.
Antibiotic
Antipyretic
Sedative
Psychedelic
______ are that neutralize stomach acid.
Antacid
Antipyretic
Analgesic
Antihistanics
The lowest temperature at which a substance catch the fire is called its ______.
Boiling point
Melting point
Critical temperature
Ignition temperature.
Which is the hottest part in the flame of candle ______.
Blue
Yellow
Black
Way part
Fill in the blanks.
Penicillin was first discovered by______.
World ORS Day is ______.
Combustion is a chemical reaction in which and substance react with ______.
In the presence of water, the ignition temperature of paper is ______.
Fire produced by oil cannot be controlled by ______.
True or False – If False give the correct answer
Antibiotics does work for viruses like cold and
True
False
True or False – If False give the correct answer
Analgesics are the substances that lower the temperature during fever
True
False
True or False – If False give the correct answer
All fuels form flame.
True
False
True or False – If False give the correct answer
Oxygen is necessary for combustion
True
False
True or False – If False give the correct answer
Burning wood and coal causes pollution of air.
True
False
Match the following
| 1. | Antipyretic | reduce pain |
| 2. | Analgesic | reduce body temperature |
| 3. | Antacid | spontaneous combustion |
| 4. | Phosphorus | ORS Solution |
| 5. | Carbon – di – oxide | leads to respiratory problem. |
Analogy
Inner zone of flame : :______, outer zone of flame : :______
Tincture: :______, cistamine : :______.
Very short answer
First viral disease detected in human being was :______
Yellow fever
dengue fever
______,______,______ are called green house gases.
Name a substance which can be used as an antiseptic as well as disinfectant?
What are the main constituents of dettol?
Name the unit in which the calorific value of a fuel is expressed?
How many types of combustion are there?
What are the essential requirements for producing fire?
Short Answer Questions
Why should not medicines be taken without consulting doctors?
Why do antiseptics differ from disinfectants? Give one example of each.
What is ignition temperature?
If 4.5kg of fuel is completely burnt and amount of heat produced stands measured at 1, 80,000 KJ what is the calorific value.
Answer in Detail.
Explain briefly about antibiotic and analgesic?
Make labeled diagram of a candle flame.
Picture based question
Arul and Aakash were doing an experiment in which water was to be heated in a beaker. Arul kept the beaker near the wick in the yellow part of candle flame. Aakash kept the beaker in the outer most part to the flame. Whose water will get heated in a shorter time?
Solutions for 4: Chemistry in Daily Life
Samacheer Kalvi solutions for Science - Term 3 [English] Class 7 TN Board chapter 4 - Chemistry in Daily Life
Shaalaa.com has the Tamil Nadu Board of Secondary Education Mathematics Science - Term 3 [English] Class 7 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 7 TN Board Tamil Nadu Board of Secondary Education 4 (Chemistry in Daily 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 7 TN Board chapter 4 Chemistry in Daily Life are Pharmaceutical Chemistry, Oral Rehydration Solution (ORS), Antacid, Antibiotics, Analgesics, Antipyretic, Antiseptics and Disinfectants, Antihistamine, Combustion, Types of Combustion, Flame, Precautions and Safety Measures, Fire Extinguisher.
Using Samacheer Kalvi Science - Term 3 [English] Class 7 TN Board solutions Chemistry in Daily 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 7 TN Board students prefer Samacheer Kalvi Textbook Solutions to score more in exams.
Get the free view of Chapter 4, Chemistry in Daily Life Science - Term 3 [English] Class 7 TN Board additional questions for Mathematics Science - Term 3 [English] Class 7 TN Board Tamil Nadu Board of Secondary Education, and you can use Shaalaa.com to keep it handy for your exam preparation.
