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
EDTA একটি কিনেটিং এজেন্ট, যা আন্তর্জাতিক ভাবে অনুমোদিত ফুড প্রিজারভেটিভ। এটি Fe2+, FeJ+, Co3+ ইত্যাদি আয়ণের সাথে সন্নিবেশ বন্ধন দ্বারা আবদ্ধ হতে পারে। EDTA আয়নে কতটি নিঃসঙ্গ ইলেকট্রন যুগল আছে?
A 2
B 3
C 4
D 5
E 6
P.T.F.E. (Poly tetra fluoro ethylene) is commercially known as
A Bakelite
B Neoprene
C Teflon
D Nylon-66
Poly tetra flouro ethylene (PTFE) is known as
A Dacron
B Teflon
C Bakelite
D Celluloid
The polymer obtained by the condensation of hexamethylene diamine and adipic acid is :
A Nylon 66
B Terylene
C Tollen's
D Bakelite
Which of the following is a polymer of hexamethylene diamine and adipic acid?
A Nylon-6
B Nylon-66
C Nylon-6, 10
D Epoxy resin
Which catalyst is used in the manufacture of ethylene oxide by oxidation of ethylene?
A AgO
B Al2O3
C ZnCl2
D FE2O3
A,B,C,D,E,G and I are seven friends who study in three different standards namely 5th, 6th and 7th such that not less than two friends study in the same standard. Each friend also has a different favorite subject namely History, Civics, English, Bangla, Science , Maths , and Economics but not necessarily in the same order. A likes Maths and studies in the 5th standard with only one other friend who likes Bangla. I studies with tow other friends . Both the friends who study with I like languages (Here languages include only Science , English and Bangla ) . D studies in the 6th standard with only one person and does not like Civics . E studies with only one friend . The one who likes history does not study in 5th or 6th standard . E does not like languages. C does not like English , Science or Civics. Which combination represents E's favorite subject and the standard in which he studies?
A Civics and 7th
B Economics and 5th
C Civics and 6th
D History and 7th
Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at
A 1 atm & 100°C
B 5 atm & 275°C
C 100 atm & 500°C
D 50 atm & 1000°C
Solution X contains 7% (by weight) of liquid M and solution Y contains 14.5% (by weight) of liquid M. If 3 grams of solution X is mixed with 2 grams of solution Y, then liquid M accounts for what percent of the weight of the resulting solution?
A 6.09%
B 10%
C 10.75%
D 21.5%

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