A. Facilitates its use even in hard water (by sequestering the water-hardening Ca & Mg ions)
B. Inhibits its corrosive effects
C. Does not allow redeposition of dirt on the cleaned surface
D. None of these
Related Mcqs:
- Which of the following is not a food additive ?
A. Citric acid
B. Invertage
C. Benzoyl peroxide
D. Ammonium chloride - Plasticisers are added to synthetic plastics to____________________?
A. Impart flexibility
B. Improve workability during fabrication
C. Develop new improved properties not present in the original resins
D. All A, B. and C. - Which is the most suitable dye for synthetic fibres ?
A. Acid dye
B. Azoic dye
C. Pigment dye
D. Mordant dye - Synthetic glycerine is produced from___________________?
A. Toluene
B. Phenol
C. Propylene
D. Naphthalene - A mixture of chlorine & sodium bromide acts as a/an_________________?
A. Insecticides
B. Analgesic drug
C. Fire retardant
D. Hydrogenation catalyst - ______________ Nature of hypo (sodium thiosulphate) makes it useful in photography ?
A. Oxidising
B. Reducing
C. Complex forming
D. Photochemical - Sand and ______________ is fused at 1300°C, to produce sodium silicate ?
A. Limestone
B. Soda ash
C. Coke
D. Sodium sulphate - Nitro-glycerine absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as controlled explosive called dynamite. The raw material used for its manufacture are glycerine, nitric acid and___________________?
A. Sulphuric acid
B. Phosphoric acid
C. Hydrochloric acid
D. Hydrofluoric acid - Sodium chloride content in sea water is about _______________ gms/liter?
A. 2
B. 10
C. 25
D. 50 - Sodium salt of higher molecular weight fatty acid is termed as the ______________________ soap?
A. Hard
B. Soft
C. Metallic
D. Lubricating
