Download App

1. Some basic concept of chemistry — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry1. Some basic concept of chemistry1 Mark
MCQ
For preparing $0.1\, N$ solution of a compound from its impure sample of which the percentage purity is known, the weight of the substance required will be
  • A
    less than the theoretical weight
  • ✓
    more than the theoretical weight
  • C
    same as the theoretical weight
  • D
    none of these
✓

Answer

Correct option: B.
more than the theoretical weight
b
More than theoretical weight since impurity will not contribute.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from 1. Some basic concept of chemistry→1. Some basic concept of chemistry — all question types→Chemistry STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

The wavelngth of radiation emitted when electron falls from $4^{th}$ Bohr orbit to $2^{nd}$ in $H$ atom is .............. $\mathrm{nm}$
→
Homolytic fission of the following alkanes forms free radicals

$CH_3 - CH_3, CH_3 - CH_2 $$- CH_3, (CH_3)_2CH - CH_3,$

$ CH_3 - CH_2 - CH(CH_3)_2.$

Increasing order of stability of the radicals is

→
Assertion : An orbital designated by $n = 3, l = 1$ has double dumb-bell shape.
Reason : It belongs to $p-$ subshell.
→
Indicate the organic structure for the product expected when $2-$methyl propene is heated with acetyl chloride in presence of anhydrous zinc chloride
→
Enthalpy of a compound is equal to its
→
Two gaseous equilibria $S{O_{2(g)}} + \frac{1}{2}{O_{2(g)}}$ $\rightleftharpoons$ $S{O_{3(g)}}$ and $2S{O_{3(g)}}$ $\rightleftharpoons$ $2S{O_{2(g)}} + {O_{2(g)}}$ have equilibrium constants ${K_1}$ and ${K_2}$ respectively at $298\,K$. Which of the following relationships between ${K_1}$ and ${K_2}$ is correct
→
Solubility of $Pb{I_2}$ is $0.005\,\, M$. Then, the solubility product of $Pb{I_2}$ is
→
For a $d$ electron, the orbital angular momentum is
→
Which of the following case the size ratio is maximum?
→
Which of the following conditions is not correct for resonating structures?
→