MCQ
Which of the following is not linked with methane
- AMarsh gas
- BNatural gas
- ✓Producer gas
- DCoal gas
$ \underset {Coke \,Red \,hot} {2C} \, + \underbrace {O_2 \, + 4N_2}_\text {Air} \, \longrightarrow \, \underbrace {2CO \, + \,4N_2}_\text {Producer $\,$gas} $
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$(a)$ The vapour pressure of water at $280 K$ is $14.2$ $mm Hg$
$(b)$ $R =0.082 L$ atm $K ^{-1} mol ^{-1}$
$(A)$ Atoms of different elements differ in mass.
$(B)$ Matter consists of divisible atoms.
$(C)$ Compounds are formed when atoms of different element combine in a fixed ratio.
$(D)$ All the atoms of given element have different properties including mass.
$(E)$ Chemical reactions involve reorganisation of atoms.
Choose the correct answer from the options given below :