Carboxymethyl cellulose (CMC) is added in detergents to act as a/an

Carboxymethyl cellulose (CMC) is added in detergents to

A

Prevent redeposition of soil on cleaned surface

B

Act as optical brightening agent

C

Inhibit corrosion in washing machines made of aluminium

D

None of these

Which of the following is a bleaching agent added in the detergents to facilitate removal of stains caused due to blood, tea etc?

A

Sodium silicate

B

Sodium borate

C

Sodium tripolyphosphate (STPP)

D

Caustic soda

Fluorescent dyes are added in detergents to

A

Act as fabric brightener (by converting ultraviolet light to visible light) thereby improving the whiteness appearance of white fabrics

B

Attain distinctiveness from other brands

C

Act as tarnish inhibitor for metals like German silver

D

None of these

Virus/es inactivated by lipid solvents and detergents is/are

A

Influenza virus

B

Rabies virus

C

SARS-CoV-2

D

Poliovirus

E

Rotavirus

Synthetic detergents are prepared from

A

potassium salts of higher fatty\u00adacids

B

sodium salts of higher fatty\u00adacids

C

hydrocarbons of petroleum

D

glycerides

Detergents used for cleaning clothes and utensils contain

A

Nitrates

B

Bicarbonates

C

Sulphonates

D

Bismuthates

The advantage of detergents over soaps is

A

detergents are soluble in water

B

detergents could not givemuch lather

C

detergents give lather even with hard water

D

soaps give lather with only soft water

Presence of non-biodegradable substances, like alkyl benzene sulphonate (ABS) from the detergents in polluted water stream causes

A

Fire hazards

B

Explosion hazards

C

Persistent foam

D

Depletion of dissolved oxygen

Detergents are

A

Sodium salts of fatty acids

B

Sodium salts of sulphonic acids

C

Sodium salt of benzoic acid

D

None of the above

Synthetic detergents are made from

A

Sodium stearate

B

Sodium salt of benzene sulphonic acid

C

Sodium salt of benzene carboxylic acid

D

Sodium palmitate

Carboxymethyl cellulose (CMC) is added in detergents to act as a/an

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