Parke’s process is used in the extraction of________?

Related Mcqs:

1. The process of aluminium extraction is called__________________?

   A. Hall process
   B. Thermite process
   C. Haber process
   D. Contact process

2. In solvent extraction ether is used to separate products of organic synthesis from________________?

   A. water
   B. iodine
   C. hydrochloric acid
   D. gases

3. During which process empty spaces between particles become minimum ?

   A. ionization
   B. condensation
   C. fusion
   D. evaporation

4. The use of CaCl2 and PCl5 in the process of crystallization is as a____________________?

   A. oxidizing agent
   B. reducing agent
   C. drying agent
   D. colouring agent

5. The process of fermentation of starch involve many enzymes the sequence of enzymes used are____________________?

   A. Diastase-maltase-zymase
   B. Zymase-maltase-diastase
   C. Maltase-diastase-zymase
   D. Diastase-zymase-maltase

6. When an aldehyde is reacted with hydrogen cyanide a ” Cyanihydrin” is formed. This process is best termed as __________?

   A. Electrophilic addition
   B. Electrophilic substitution
   C. Nucleophilic addition
   D. Necleophilic substitution

   Submitted by: Muhammad Ali Kunbhar

7. Process used to separate insoluble particles from liquids is ___________ ?

   A. Drying
   B. Filtration
   C. Sieving
   D. Extraction

8. The process in which solid changes directly into vapours without passing through liquid state?

   A. Decantation
   B. Sublimation
   C. Evaporation
   D. None

   Submitted by: Naintara Mustafa

9. Water Gas is a mixture of two gases Hydrogen & Carbon monoxide, while separating Hydrogen gas by liquification process which one is liquefied first__?

   A. Hydrogen Gas
   B. Carbon Monoxide Gas
   C. Both at same time
   D. None of them

   Submitted by: Aamir khan Hullio

10. The process in which no heat enters or leave the system known as _____________?

    A. Isochoric
    B. Isobaric
    C. adiabatic
    D. Isothermal

    Submitted by: Aneela shabbir