MCQs4All - Chemistry Collection
Chemistry MCQs for NTS, FPSC, CSS, PPSC, PMS, UTS, FTS, OTS, Teaching, CT, PTC, SST, B.Ed, M.Ed of past papers
Question. The phenomenon in which a compound exists in two or more crystalline forms is called ________________?
Question. 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
Question. The mechanism by which the genetic information can be duplicated is called_________________?
Question. Which one does not exhibit aldol condensation___________________?
Question. The test which is used for the identification of amino-acids is_________________?
- Ninhydrin test
- Molisch test
- Biuretic test
- Benedict test
Question. 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
Question. A malleable solid is one which can be_________________?
- Converted into wires
- Converted into thin sheets
- Melted easily
- All of the above
Question. Which of following is not a base______________?
Question. Coal is produced after a long time decay of_________________?
- all of the above
Question. The degree of dissociation of week electrolyte increases as________________?
- Pressure increases
- Dilution decreases
- Dilution increases