MCQ
The significant figures in $3400$ are
- ✓$2$
- B$5$
- C$6$
- D$4$
✓
Answer
Correct option: A.
$2$
a
(a) As we know that all non zero unit are significant number. Therefore significant figure is $ 2$.
(a) As we know that all non zero unit are significant number. Therefore significant figure is $ 2$.
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
Product of reaction is
The correct $IUPAC$ name for the compound $[CO(NH_3)_4Cl(ONO]Cl$ is
→Which of the following notation of orbital is incorrect considering the sign of wave function?
The reaction of (figure) with $HBr$ gives
→The unit for the electric current is
$1.12\, ml$ of a gas is produced at $STP$ by the action of $4.12\, mg$ of alcohol, with methyl magnesium iodide. The molecular mass of alcohol is
→How many unpaired electrons are there in $N{i^{2 + }}$
→Which of the following coordination compounds would exhibit optical isomerism?
In which of the following pairs are both the ions coloured in aqueous solution ?
→(At. no. : $Sc = 21, Ti = 22, Ni = 28,$$ Cu = 29, Co = 27$)
$\begin{array}{*{20}{c}}
{O\,\,\,\,\,\,\,\,\,\,} \\
{||\,\,\,\,\,\,\,\,\,\,} \\
{C{H_3} - C\mathop {-} \limits_a O \mathop {-} \limits_b C{H_3}}
\end{array}$
→{O\,\,\,\,\,\,\,\,\,\,} \\
{||\,\,\,\,\,\,\,\,\,\,} \\
{C{H_3} - C\mathop {-} \limits_a O \mathop {-} \limits_b C{H_3}}
\end{array}$
The correct relation between the bond lengths $a$ and $b$ is