Free NCERT Solutions For Class 12 Chemistry Chapter 16 : Chemistry in Everyday Life Free PDF Download
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.
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
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?
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?
Explain the following terms with suitable examples. (i) Cationic detergents
(ii) Anionic detergents and
(iii) 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?
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?
Following type of non-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.