The separation of petroleum fractions depends on the diff...
The separation of petroleum fractions depends on the differences in their
boiling points
molar masses
melting point
solubilities
Correct answer is A
No explanation has been provided for this answer.
When NH4Cl(s) is dissolved in water, the container feels cold to touch. This implies...
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\(50cm^{3}\) of hydrogen are sparked with \(20cm^{3}\) of oxygen at \(100°C\) and \(1atm\) . The...