Which alkali used in saponification gives hard soap and which one gives soft soap?

Saponification is?Group of answer choicesa chemical reaction that explains why soap does not wash off easily in hard water.a chemical reaction that results in an alcohol and a carboxylic acid.a chemical reaction that results in a soap.a chemical reaction due to the presence of a strong organic acid.

what is a soap? explain the chemistry of soap

Which of the following cleansing agents contain(s) alkalis?(I)Drain cleaners (II)Toilet cleaners (III)Glass cleaners

Why detergents are better cleansing agents than soaps? Explain

Q1.The water which does not produce lather with soap is.a) Soft water. b) Hard waterc) Distilled water. d) all of theseQ2. Temporary hardness of water can be removed by —---- processa) Lime. b)Soda. c c) lime and soda d) boilingQ3. Salt that causes temporary hardness in water is—a ) sodium chloride. b) calcium bicarbonate c) sodium sulphate d) all of theseQ4. Permanent hardness is caused due to —--salta )sodium chloride. b) sodium bicarbonate. c) calcium sulphate d) all of theseQ5. The purest form of naturally occurring water is —--a) ponds b) river. c) well. d) rainQ6. Permanent hardness is also called asa) Carbonate hardness. b) non carbonate. c) sludge d) all of these.Q7. Highly alkaline water causes —--a ) Scales. b ) sludge. c)Scum. d). Caustic embrittlementQ8. Coagulant used to remove colloidal impurities isa)Ozone. b) UV rays. c) alum. d )all of these)Q9. Coagulation process removes —a ) germs. b). Suspensed particles. c) colloidal particles d) none of theseQ10. A soft slimy deposits formed inside the boiler is called asa )Scales. b ) sludge. c)Scum. d). Caustic embrittlementQ 11. In ion exchange process, exhausted anionexchanger resin is regenerated by using ______________a) lime b)alkali c) acid d) sandQ12. Chlorine and ammonia are mixed in a ratio 2:1 to produce __________.a) Zeolite b) chloramine c) coagulant d) scaleQ13. Sedimentation is a physical process used to remove ______________.a) colloidal particles b) micro organisms particle c) suspended particles d) dissolved particlesQ14. . In ion exchange process, exhausted cation exchanger resin is regenerated by using______________a) lime b)alkali c) acid d) sandQ15. Temporary hardness of water is caused by _____________.a) CaCl2 b) Ca(HCO3)2 c) CaSO4 d) MgSO4.Q16. The exhausted zeolite is regenerated by using ______________a) lime b)alkali c) acid d)10% brine