Chapters
Chapter 16 - Chemistry in Everyday Life
Pages 448 - 453
Sleeping pills are recommended by doctors to the patients suffering from sleeplessness but it is not advisable to take its doses without consultation with the doctor, Why?
With reference to which classification has the statement, ‘ranitidine is an antacid” been given?
Why do we require artificial sweetening agents?
Write the chemical equation for preparing sodium soap from glyceryl oleate . Structural formulae of the compounds are given below.
(C17H32COO)3C3H5 – Glyceryl oleate
Write the chemical equation for preparing sodium soap from Glyceryl palmitate . Structural formulae of the compounds are given below.
(C15H31COO)3C3H5 – Glyceryl palmitate
Following type of nom-ionic detergents are present in liquid detergents, emulsifying agents and wetting agents. Label the hydrophilic and hydrophobic parts in the molecule. Identify the functional group (s) present in the molecule.
Pages 454 - 455
Why do we need to classify drugs in different ways?
Explain the term target molecules or drug targets as used in medicinal chemistry.
Name the macromolecules that are chosen as drug targets.
Why should not medicines be taken without consulting doctors?
Define the term chemotherapy.
Which forces are involved in holding the drugs to the active site of enzymes?
While antacids and antiallergic drugs interfere with the function of histamines, why do these not interfere with the function of each other?
Low level of noradrenaline is the cause of depression. What types of drugs are needed to cure this problem? Name two drugs.
What is meant by the term ‘broad spectrum antibiotics’? Explain.
How do antiseptics differ from disinfectants? Give one example of each.
Why are cimetidine and ranitidine better antacids than sodium hydrogen carbonate or magnesium or aluminium hydroxide?
Name a substance which can be used as an antiseptic as well as disinfectant.
What are the main constituents of dettol?
What is tincture of iodine? What is its use?
What are food preservatives?
Why is use of aspartame limited to cold foods and drinks?
What are artificial sweetening agents? Give two examples.
Name a sweetening agent used in the preparation of sweets for a diabetic patient.
What problem arises in using alitame as artificial sweetener?
How are synthetic detergents better than soap?
Explain the following terms with suitable examples Cationic detergents
Explain the following terms with suitable examples - Anionic detergents
Explain the following terms with suitable examples - Non-ionic detergents
What are biodegradable and non-biodegradable detergents? Give one example of each.
Why do soaps not work in hard water?
Can you use soaps and synthetic detergents to check the hardness of water?
Explain the cleansing action of soaps.
If water contains dissolved calcium hydrogen carbonate, out of soaps and synthetic detergents which one will you use for cleaning clothes?
Label the hydrophilic and hydrophobic parts in the following compounds.
CH3(CH2)10CH2OSO3 –Na+
Label the hydrophilic and hydrophobic parts in the following compounds.
Label the hydrophilic and hydrophobic parts in the following compounds.
`CH_3(CH_2)_16COO(CH_2CH_2O)_nCH_2CH_2OH`
Textbook solutions for Class 12
NCERT solutions for Class 12 Chemistry chapter 16 - Chemistry in Everyday Life
NCERT solutions for Class 12 Chemistry chapter 16 (Chemistry in Everyday Life) include all questions with solution and detail explanation from Chemistry Textbook for Class 12 Part 2. 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 created the CBSE Chemistry Textbook for Class 12 Part 2 solutions in a manner that help students grasp basic concepts better and faster.
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Concepts covered in Class 12 Chemistry chapter 16 Chemistry in Everyday Life are Drugs and Their Classification, Chemicals in Food - Artificial Sweetening Agents and Food Preservatives, Cleansing Agents - Soaps, Drug-target Interaction - Enzymes as Drug Targets, Drug-target Interaction - Receptors as Drug Targets, Therapeutic Action of Different Classes of Drugs - Antacids, Therapeutic Action of Different Classes of Drugs - Antihistamines, Therapeutic Action of Different Classes of Drugs - Neurologically Active Drugs, Therapeutic Action of Different Classes of Drugs - Antimicrobials, Therapeutic Action of Different Classes of Drugs - Antifertility Drugs, Cleansing Agents - Synthetic Detergents, Chemistry in Everyday Life Numericals.
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