Related Questions

MnO4-+8H+ + 5Fe2+ → Mn2+++ 4H2O+ 5Fe3+  বিক্রিয়াটিতে কোনটি জারক?(Which one is the oxidizing agent in the reaction MnO4-+8H+ + 5Fe2+ → Mn2+++ 4H2O+ 5Fe3+ ?)
A MnO4-
B H+
C Fe2+
D Mn7+
The strongest oxidizing agent among the following is:
A Chlorine
B Iodine
C Fluorine
D Oxygen
In the gaseous diffusion process of uranium enrichment, the natural uranium is converted into gaseous
A Uranium oxide
B Uranium hexaflouride
C Uranium carbide
D Uranium sulphate
তরল অবস্থায় পরিবর্তিত না হয়ে কঠিন অবস্থা থেকে সরাসরি গ্যসীয় অবস্থায় রূপান্তরিত হওয়ার পদ্ধতিকে বলে(The conversion of solid state directly into a gaseous state eithout passing through liquid state is called)
A Sublimation
B Evaporation
C Freezing
D Boiling
During respiration, gaseous exchange occurs in-
A Alveoli
B Respiratory bronchiole
C Terminal bronchiole
D Alveolar duct
Gaseous exchanges through the respiratory membrane is directly proportional to
A Surface area of respiratory membrane
B Diffusion co-efficient of gas
C Solubility of the gas
D The thickness of respiratory membrane
E Molecular weight of the gas
Which of the following gaseous fuels has the lowest calorific value?
A Refinery Gas
B Gobar Gas
C Converter Gas
D Blast Furnace Gas
Which of the following is not a gaseous air pollutant?
A Ozone
B Fumes
C Hydrogen sulphide
D Carbon
What is the process of conversion of solid state directly to gaseous state called?
A Evaporation
B Condensation
C Sublimation
D Distillation
Gaseous exchange takes place in leaves through tiny pores for the purpose of photosynthesis. What are these pores?
A Chloroplast
B Stomata
C Chlorophyl
D Vacuole

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