Related Questions

Which compound, when dissolved in water, conducts electricity and forms a basic solution?
A HCl
B CH3COOH
C CH3OH
D NaOH
what is the monthly salary of Rahman ? Statements : 1. Rahman's basic salary is Tk. 100 more Rajan's salary who also serves in Rahman's company. 2. Other allowances drawn by Rajan besides his basic salary are Tk. 2,000 per month which is TK. 50 less than Rahan's salary . 3. Rajan's basic salary is TK. 1550 per month.
A Only II
B Only II and III
C Only I and II
D All I , II and II
The density of a gas 'X' is twice that of another gas 'Y'. If the molecular weight of gas 'Y' is 'M'; then the molecular weight of the gas 'X' will be
A 2M
B $$\frac{{\text{M}}}{2}$$
C M
D $$\frac{{\text{M}}}{4}$$
দুটি এক-পরমাণুক আদর্শ গ্যাস পরস্পরের সাথে তাপীয় সাম্যাবস্থায় আছে। A গ্যাস m ভরের অণু দ্বারা গঠিত, এবং B গ্যাস 4m ভরের অণু দ্বারা গঠিত। A গ্যাসের আয়তন ৪ গ্যাসের আয়তনের দ্বিগুণ। এদের চাপের অনুপাত PA / PB কত? (Two monoatomic ideal gases are in thermal equilibrium with each other. Gas A is composed of molecules with mass m while gas B is composed of molecules with mass 4m. The volume of gas A is twice that of gas B. What it the ratio of their pressures PA / PB ?)
A 1/4
B 1/2
C 1
D 2
The enthalpy change when ammonia gas is dissolved in water is called the heat of
A Solution
B Formation
C Dilution
D Combustion
The law which states that the amount of gas dissolved in a liquid is proportional to its partial pressure is
A Dalton's law
B Gay Lussac's law
C Henry's law
D Raoult's law
At a given temperature, the volume of a gas dissolved in a solvent __________ with increase in pressure.
A Increases
B Decreases
C Remains unchanged
D May increase or decrease; depends on the gas
Co-current absorbers are usually used when the gas to be dissolved in the liquid is
A Sparingly soluble
B Highly soluble
C A pure substance
D A mixture
When the gas to be dissolved in liquid is a/an __________ then normally co-current adsorber are used.
A Mixture of two gases
B Pure gas
C Ideal gas
D Sparingly soluble gas
The phenomenon occuring during pumping of a liquid solution containing dissolved gases, which may come out of the solution giving rise to gas pockets, is termed as
A Evaporation
B Cavitation
C Sublimation
D Stripping

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