MCQ
Who discovered neutron
- ✓James Chadwick
- BWilliam Crooks
- CJ.J. Thomson
- DRutherford
✓
Answer
Correct option: A.
James Chadwick
a
(a) James Chadwick discovered neutron ${(_0}{n^1})$.
(a) James Chadwick discovered neutron ${(_0}{n^1})$.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
In which of the following reactions, increase in the volume at constant temperature don’t affect the number of moles at equilibrium.
$4.3\ gm$ of an alkane is burnt in sufficient oxygen. The $CO_2$ formed reacts completely with $300\ ml$, $2\,N\ NaOH$ solution producing $Na_2CO_3$. The alkane should be
→Which of the following provisions of the Bohr atomic model of hydrogen turned out to be false ?
An organic compound is estimated through Dumus method and was found to evolve $6\,mole$ of $CO_2\,\,4\,moles$ of $H_2O$ and $1\,mole$ of nitrogen gas. The formula of the compound is
→Product $(A)$ is
→Which of the following statements is not correct regarding $NO_2$ molecule
→Number of atoms present in $224\, dm^3$ of oxygen gas at $STP$ is
→The plot given below shows $P - T$ curves (where $P$ is the pressure and $T$ is the temperature) for two solvents $X$ and $Y$ and isomolal solutions of $NaCl$ in these solvents. $NaCl$ completely dissociates in both the solvents.
→On addition of equal number of moles of a non-volatile solute $S$ in equal amount (in $kg$ ) of these solvents, the elevation of boiling point of solvent $X$ is three times that of solvent $Y$. Solute $S$ is known to undergo dimerization in these solvents. If the degree of dimerization is $0.7$ in solvent $Y$, the degree of dimerization in solvent $X$ is. . . . . . .
The correct order of density is
Arrange $C{e^{ + 3}},L{a^{ + 3}},P{m^{ + 3}}$ and $Y{b^{ + 3}}$ in increasing order of their ionic radii
→