Related Questions

Which of the following gas is present at a very high concentration in our environment?
A O2
B CO2
C H2
D N2
The Timariots Governors and the Revenue Contractors, on their part reason in this manner: "Why should the neglected state of this land create uneasiness in our minds and why should we expend our money and time to render it fruitful? We may be deprived of it in a single moment, and our exertions would benefit neither ourselves nor our children." This statement was made by
A Monserrate
B Tavernier
C Manrique
D Bernier
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
William Wordsworth considered poets dreamers; because they have the ability to turn “our wish, our power, our thought" into "a deed." What does the word 'deed' mean?
A Contract
B Construction
C Action
D Command
Fill in the blanks by using appropriate words : "We still have not given our----to conduct the survey of our natural resources in our country"
A consent
B request
C provision
D projection
We can receive data either through our television aerial or down our telephone lines and display this data on our television screen. What is the general name given to this process?
A Viewdata
B Teletext
C Telesoftware
D Videotex
E None of the above
The change in enthalpy, when a unit quantity of gas is absorbed by relatively large quantity of adsorbent (on which a definite concentration of the adsorbed gas already exists) is termed as the
A Differential heat of adsorption
B Heat of wetting
C Integral heat of adsorption
D None of these
While dissolving a gas into a liquid at a constant temperature, the ratio of the concentration of the gas in the solution phase and in the gaseous phase is
A Infinity
B Unity
C Constant
D Negative
The change in enthalpy per unit weight of adsorbed gas when adsorbed on gas free or "outgassed" adsorbent to from a definite concentration of adsorbate is called its
A Integral heat of adsorption
B Heat of wetting
C Differential heat of adsorption
D Heat of normal condensation

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