MCQ
Which of the following has most density
- A$Fe$
- B$Cu$
- C$B$
- ✓$Pb$
✓
Answer
Correct option: D.
$Pb$
d
(d) $Pb$ $⇒$ $11.34\, g/ml$ Heaviest
(d) $Pb$ $⇒$ $11.34\, g/ml$ Heaviest
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
The ionic product of water at ${25\,^o}C$ is ${10^{ - 14}}.$ The ionic product at ${90\,^o}C$ will be
→Ozonolysis of which one of the following will give two molecules of acetaldehyde
Group $13$ elements are attacked by non$-$oxidising acids except:
→The vapour pressure of $o-$nitrophenol at any given temperature is predicted to be:
→As per the modern periodic law, the physical and chemical properties of elements are periodic functions of their
If in Bohr's model, for unielectronic atom, time period of revolution is represented as $T_{n,Z}$ where $n$ represents shell no. and $Z$ represents atomic number then the value of $T_{1,2} : T_{2,1}$ will be
→One mole of gas absorbs $200\,J$ of heat at constant volume then its temperature rises from $298\,K$ to $308\,K$. Change in internal energy will be....$J$
→The reagent needed for converting
→$Ph - C \equiv C - Ph \to $ 
The ‘middle oil’ fraction of coaltar distillation contains
Ethylbenzene $+ Cl_2$ $\xrightarrow{{Light}}$ (main) compound is:
→