Related Questions

The lightest gas which is non-inflammable is
A Hydrogen
B Helium
C Oxygen
D Nitrogen
The lightest non-inflammable gas is
A H2
B He
C Ar
D O2
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
Which one is the lightest element in the periodic table
A Hydrogen
B Helium
C Oxygen
D Carbon
Which of the following is the lightest metal?
A Mercury
B Silver
C Lithium
D Iron
Which of the following is the lightest mets"
A Lead
B Lithium
C Mercury
D Silver
Which of the following is the lightest among the following?
A Magnesium
B Aluminum
C Titanium
D Copper
Which of the following is the lightest and most volatile liquid fuel?
A diesel
B petrol
C gasoline
D fuel oil
Which of the following plants is smallest and lightest for generating a given amount of power?
A Gas turbine plant
B Petrol engine
C Diesel engine
D Solar plant

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