Related Questions

Acetic acid will be most economically separated from a dilute solution of acetic acid in water by
A Solvent extraction
B Continuous distillation
C Evaporation
D Absorption
If 'blue' means 'green', green' means 'yellow' 'yellow' means 'orange', 'orange' means 'black', 'black' means 'white', 'white' means 'red', 'red' means 'pink', 'pink' means 'brown', 'brown' means 'grey', than what is the color of human blood?
A black
B red
C white
D orange
Many breakfast cereals are fortified with vitamin supplements , some of these cereals provide 100 percent of the recommended daily requirement of vitamins. Nevertheless, a well -balanced breakfast, including a variety of foods is a better source of those vitamins than are such fortified breakfast cereals alone.
A In many foods , the natural combination of vitamins with other nutrients makes those vitamins more usable by the body than are vitamins added in vitamin supplements.
B People who regularly eat cereals fortified with vitamin supplements sometimes neglect to eat the foods in which the vitamins occur naturally.
C Foods often mist be fortified with vitamin supplements because naturally occurring vitamins are removed during processing .
D Unprocessed cereals are naturally high in several of the vitamins that are usuallly added to fortified breakfast cereals.
বিউটানলের কতগুলি সমাণু সম্ভব? (How many isomers are possible for butanol?)
A 2
B 4
C 3
D 5
Styrene butadiene rubber is commercially manufactured by
A Bulk polymerisation
B Suspension polymerisation
C Solution polymerisation
D Emulsion polymerisation
People who take megadoses of vitamins and minerals should take care: though beneficial in small quantities, in large amounts these substances may have--- effects.
A admirable
B redundant
C intangible
D toxic
Those substances which have so far not been resolved by any means into other substances of simpler form are called
A Atoms
B Compounds
C Elements
D Molecules
Which of the following may cause the breakdown of pyruvate into lactic acid in our muscles?
A Lack of water
B Lack of Oxygen
C Lack of carbon dioxide
D Lack of nitrogen \
দুধে অ্যালকোহল পরীক্ষা দ্বারা বুঝা যায় i. Lactic acid এর পরিমাণ ii. রংয়ের ভিন্নতার মাত্রা iii. ব্যাকটেরিয়ার বৃদ্ধির পরিমাণ নিচের কোনটি সঠিক?
A iও ii
B i ও iii
C ii ও iii
D i ii ও iii
কোন অ্যালকোহল ব্যবহার করে দুধে Lactic Acid পরীক্ষা করা হয়? 
A মিথাইল অ্যালকোহল
B ইথাইল অ্যালকোহল
C প্রোপাইল অ্যালকোহল
D বিউটাইল অ্যালকোহল

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