Free MCQs & Online Quiz Practice for Exams

Q: Artificial nails are usually made up of: (ETEA 2015)

A) Acrylic

B) Nitrocellulose

C) Erythrosine

D) None

Q: The polymer which contain nitrogen is: (ETEA 2016)

A) Polyethene

B) Polyester

C) Teflon

D) Nylon

Q: Light naphtha containing hexane & heptane is obtained in boiling range of: (ETEA 2014)

A) 60-100°C

B) 80-100°C

C) 40-60°C

D) 60-80°C

Q: Solvent dyes are also known as: (ETEA 2014)

A) Spirit-soluble dyes

B) Ether-soluble dyes

C) Direct dyes

D) Basic dyes

Q: Adipic acid reacts with hexamethylene diamine to form condensation polymer: (ETEA 2014)

A) Nylon-6,8

B) Dacron

C) Teflon

D) Nylon-6,6

Q: Polyester resin-polyurethane resin is: (ETEA 2014)

A) Hot adhesive

B) Multipart adhesive

C) One part adhesive

D) Contact adhesive

Q: Nylon (6,6) six carbon atoms in each monomer is an example of: (ETEA 2014)

A) Addition polymers

B) Substitution polymers

C) Condensation polymers

D) Condensation monomers

Q: During the formation of addition polymerization, which smaller molecules are eliminated: (ETEA 2018)

A) H2O

B) NH3

C) HCl

D) All of the above

Q: The auxochrome not concerned with Metanil yellow dye: (ETEA 2019)

A) -SO2H

B) -OH

C) -NH2

D) Both a & c

Q: Colour of the hair dye is mainly due to: (ETEA 2019)

A) Substituted alcohols

B) Steer alkonium hectonte

C) Meta substituted aniline

D) Acetone

Q: Which one of the following is addition polymer? (ETEA 2019)

A) Nylon

B) PVC

C) Polythene

D) Both b and c

Q: Rain water becomes acidic, when the pH-value of rain water becomes: (ETEA 2013)

A) Greater than 6

B) Greater than 5

C) Less than 5.6

D) Less than 5

Q: In lower atmosphere, ozone has adverse effects due to its role in the formation of: (ETEA 2013)

A) CO2

B) NO2

C) Fog

D) Photochemical smog

Q: Commonly used coagulant for purification of water is: (ETEA 2013)

A) Ca(NO3)2

B) MgCl2

C) Al2(SO4)3

D) Ca(OH)2

Q: Treatment mostly used to kill disease causing bacteria and other pathogens in water: (ETEA 2013)

A) Ozonation

B) UV irradiation

C) Chlorination

D) Boiling

Q: Select the compound causing more depletion of ozone layer in upper stratosphere: (ETEA 2014)

A) CH4

B) CF4

C) CH2Cl2

D) CCl2F2

Q: Major sources responsible for NO, N2O, NO2 in the atmosphere: (ETEA 2014)

A) Fertilizers

B) Biological decay of dead organisms

C) Fossil fuel combustion

D) All of these

Q: Which statement is correct for three-way catalytic converter: (ETEA 2016)

A) Reduces emission of unburnt H.C

B) Reduces pollutants

C) Oxidize pollutant like CO

D) All of the above

Q: Catalytic converter reduces the emission of: (ETEA 2017)

A) Unburnt hydrocarbons

B) CO

C) NO

D) All

Q: Colour of oxidizing smog: (ETEA 2017)

A) Reddish brownish gray

B) Bluish brownish gray

C) Brownish gray

D) Yellow