The molecular weight of ${\mathrm{SO}}_2$ is:

Important Questions on Some Basic Concepts of Chemistry

EASY

NEET

IMPORTANT

Beta Question Bank for Medical: Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>BEGINNER'S BOX>Q 4

$1 \mathrm{amu}$ is equal to:-

EASY

NEET

IMPORTANT

Beta Question Bank for Medical: Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>BEGINNER'S BOX>Q 5

The actual molecular mass of chlorine is:

EASY

NEET

IMPORTANT

Beta Question Bank for Medical: Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>BEGINNER'S BOX>Q 7

Which of the following has the maximum mass?

EASY

NEET

IMPORTANT

Beta Question Bank for Medical: Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>BEGINNER'S BOX>Q 8

The volume of $1.0\mathrm{g}$ of hydrogen at $\mathrm{NTP}$ is:

EASY

NEET

IMPORTANT

Beta Question Bank for Medical: Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>BEGINNER'S BOX>Q 13

Two elements $\mathrm{X} (\text{atomic weight}= 75)$ and$\mathrm{Y} (\text{atomic weight} =16)$combine to give a compound having $75.8\% \mathrm{X}$. The empirical formula of the compound is:

EASY

NEET

IMPORTANT

Beta Question Bank for Medical: Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>BEGINNER'S BOX>Q 15

$1.5$ mol  of ${\mathrm{O}}_2$ combine with $\mathrm{Mg}$ to form oxide $\mathrm{MgO}$. The mass of $\mathrm{Mg}$ (At. mass $24$) that has combined is 

MEDIUM

NEET

IMPORTANT

Beta Question Bank for Medical: Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>BEGINNER'S BOX>Q 16

What quantity of lime stone on heating will give $56\mathrm{kg}$ of $\mathrm{CaO}$?

EASY

NEET

IMPORTANT

Beta Question Bank for Medical: Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>BEGINNER'S BOX>Q 18

$0.126\mathrm{}\mathrm{g}$ of an acid requires $20\mathrm{}\mathrm{m}\mathrm{L}$ of $0\bullet 1\mathrm{}\mathrm{N}$ $\mathrm{N}\mathrm{a}\mathrm{O}\mathrm{H}$ for complete neutralization $\mathrm{E}\mathrm{q}.\mathrm{}\mathrm{w}\mathrm{t}.$ of the acid is