How does the hard water affect the cleaning action of detergents?
In hard water, there is no precipitation of the anionic part of the detergent by Mg2+ or Ca2+ ion. Hence, no effect on the cleaning action of detergents.
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56.
Give one example of a cationic detergents. Write its structure also.
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57.Name the class of drugs which is used against micro-organism as an alternatives to antibiotics.
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58.
Give one example each for bactericidal and bacteriostatic antibiotics.
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59.
What do you mean by the spectrum of antibiotic?
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60.
Draw the structure of paracetamol and write its IUPAC name.
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