Some Basic Concepts of Chemistry · Chemistry · KCET
Start PracticeMCQ (Single Correct Answer)
KCET 2022
An aqueous solution of alcohol contains $$18 \mathrm{~g}$$ of water and $$414 \mathrm{~g}$$ of ethyl alcohol. The mole fraction of water is
KCET 2021
A pure compound contains $$2.4 \mathrm{~g}$$ of $$\mathrm{C}, 1.2 \times 10^{23}$$ atoms of $$\mathrm{H}, 0.2$$ moles of oxygen atoms. Its empirical f...