MCQ
Spiegeleisen is an alloy of
- ✓$Fe, C $ and $Mn$
- B$Fe, Mg$ and $C$
- C$Fe, Co$ and $Cr$
- D$Fe, Cu$ and $Ni$
✓
Answer
Correct option: A.
$Fe, C $ and $Mn$
a
It’s Obvious.
It’s Obvious.
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 equivalent weight of potassium permanganate for acid solution is
The number of enantiomeric pairs possible for the complex having general formula $[M(AB)_3]$ with coordination number $6$ is
→For the reaction in equilibrium
→$2NOB{r_{(g)\,}}\, \rightleftharpoons \,2N{O_{(g)}}\, + \,B{r_{2(g)}}$
if ${P_{B{r_2}}}$ is $\frac {P}{4}$ At equilibrium and $P$ is total pressure then calculate $\frac {P}{K_P}.$
A schematic plot of $\ell n\, K_{eq}$ verses inverse oftemperature for a reaction is shown below. The reaction must be
→$(I)\ POF_3\ (II)\ SOF_4\ (III)\ IOF_5$ On moving $I$ to $III$ which change is $NOT$ observed
→The value of Planck’s constant is $6.63 \times {10^{ - 34}}Js.$ The velocity of light is $3.0 \times {10^8}\,m{s^{ - 1}}$. Which value is closest to the wavelength in nanometres of a quantum of light with frequency of $8 \times {10^{15}}{s^{ - 1}}$
→Which of the following statements are correct?
→$A$. Glycerol is purified by vacuum distillation because it decomposes at its normal boiling point.
$B$. Aniline can be purified by steam distillation as aniline is miscible in water.
$C$. Ethanol can be separated from ethanol water mixture by azeotropic distillation because it forms azeotrope.
$D$. An organic compound is pure, if mixed $M.P$. is remained same.
Choose the most appropriate answer from the options given below :
Product $(C)$ of this reaction is
→Which compound undergoes nucleophilic substitution with $NaCN$ at the fastest rate ?
→The pair of complex compounds $\left[ {Cr{{\left( {{H_2}O} \right)}_6}C{l_3}} \right]$ and $\left[ {Cr{{\left( {{H_2}O} \right)}_5}Cl} \right]C{l_2}{H_2}O$ are an example of
→