Related Questions

Telfon (PTFE) is corroded by
A Hydrochloric acid (10%)
B Hydrochloric acid (95%)
C Sulphuric acid
D None of these
Poly tetra flouro ethylene (PTFE) is known as
A Dacron
B Teflon
C Bakelite
D Celluloid
The electricity bill of a certain establishment is partially fixed and partially varies as the number of units of electricity consumed. Wen in a certain month 540 units are sonsumed. the bill is TK 1800. In another month 620 units are consumed are the bill is Tk 2040. Inayet another month if 500 units are consumed what would be the bill (in Tk) for that month?
A 1950
B 1560
C 1840
D 1680
It is formed by a repeating nucleosome units, which are closely attached to each other to a continuous fibre.
A Chromatin
B Centromere
C Chromosome
D DNA
In a co-polymer, the repeating units contain two different monomers. Which of the following is a copolymer?
A PTFE
B Buna-S
C PMMA
D Polycaprolactum
If machine A polishes x units in 12 minutes and machine B polishes 5x units in 40 minutes, in how many minutes will A and B. working together, polish 50x units?
A 240
B 300
C 350
D 120
দুইটি বিপরীতমুখী বলদ্বয়ের লব্ধি 12 units এবং বলদ্বয় হতে যথাক্রমে 3 units এবং 4 units দূরে ক্রিয়াশীল। বলদ্বয়ের মান কত?
A 48 and 36 units
B 48 and 48 units
C 40 and 36 units
D 40 and 40 units
A machine can produce 10 units in 5 hours. Another machine can produce 5 units in 10 hours. Working together, how many units can they produce in 30 hours?
A 50 units
B 60 units
C 70 units
D 80 units
নিউক্লিক অ্যাসিড পুনরাবৃত্ত একক কোনটি? (Which one is the repeating unit of nucleic acid?)
A পেপটাইড (Peptide)
B নাইট্রোজেন বেস (Nitrogen base)
C নিউক্লিওসাইড (Nucleoside)
D নিউক্লিওটাইড (Nucleotide)
In a new production process, the number of units produced during the first week was 450. If the efficiency gradually increase so that 10 additional units can be produced each week, how many will be produced in the 10th week?
A 490
B 700
C 540
D 640

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