NTS Chemistry Mcqs

Our collections of Multiple choice questions and answers focuses on Recent past NTS papers based on chemistry. These questions are chosen from a collection of most authoritative and best reference books on Chemistry. Our aim is to prepare an individual for competitive exams like NTS. One should practice our Mcqs to assimilate knowledge on Chemistry comprehensively.

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1023.
By decreasing the pressure the reaction will go to that direction where_________________?

volume is decreased

volume increased

heat absorbed

no. of moles of specie decreased

1024.
Enzymes from the same organism which catalyze same reaction but are chemically and physically distinct from each other are called______________?

Oxidoreductases

Hydrolases

Isoenzymes

Isomerases

1025.
When chlorine is passed through hot solution of caustic soda the reaction is said as___________________?

Displacement

Reduction

Disproportionation reaction

Double displacement reaction

1026.
Which one of the following alcohols will be formed when ethyl magnesium bromide reacts with acetone ?

primary alcohol

secondary alcohol

tertiary alcohol

dihydric alcohol

1027.
Mass spectrometer is used to determine Mass number of isotopes and___________________?

Atomic number

Relative abundance

Electronic configuration

All of the above

1028.
The phenomenon in which a compound exists in two or more crystalline forms is called ________________?

Isomorphism

Polymorphism

Anisotropy

Allotropy

1029.
Halides in which halogen atoms act as a bridge between two atoms of the other element are called___________________?

Covalent halides

Electronegative halides

Polymeric halides

Polymeric hydrides

1030.
The mechanism by which the genetic information can be duplicated is called_________________?

Duplication

Transcription

Replication

Mutation

1031.
Which one does not exhibit aldol condensation___________________?

Ethanal

Acetone

Benzaldehyde

Butanone

1032.
The test which is used for the identification of amino-acids is_________________?

Ninhydrin test

Molisch test

Biuretic test

Benedict test

1033.
Which one of the following set of raw material is most suitable for manufacture of urea ?

CH4 N2 and CO2

H2 N2 and CO

H2 CO2 and H2O

H2O N2 and H2

1034.
A malleable solid is one which can be_________________?

Converted into wires

Converted into thin sheets

Melted easily

All of the above

1037.
The degree of dissociation of week electrolyte increases as________________?

Pressure increases

Dilution decreases

Dilution increases

None

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