MCQ
Spiegeleisen is an alloy of
  • A
    $Cu + Zn + Ni$
  • B
    $Ni + Cr$
  • $Mn + Fe + C$
  • D
    $Fe + Cr + Ni$

Answer

Correct option: C.
$Mn + Fe + C$
c

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

Similar questions

Consider an electrochemical cell: $A ( s )\left| A ^{ n +}( aq , 2 M ) \| B ^{2 n +}( aq , 1 M )\right| B ( s )$. The value of $\Delta H ^{\ominus}$ for the cell reaction is twice that of $\Delta G ^{\ominus}$ at $300 K$. If the emf of the cell is zero,  the $\Delta S ^{\ominus}$ (in $J K ^{-1} mol ^{-1}$ ) of the cell reaction per mole of $B$ formed at $300 K$ is. . . . . . . (Given: $\ell n (2)=0.7, R$ (universal gas constant) $=8.3 J K ^{-1} mol ^{-1} . H , S$ and $G$ are enthalpy, entropy and Gibbs energy, respectively.)
$x$ and $y$ respectively are
Which among the following statement is wrong regarding Mohr's salt
For a reaction taking place in three steps at same temperature, overall rate constant $\mathrm{K}=\frac{\mathrm{K}_1 \mathrm{~K}_2}{\mathrm{~K}_3}$. If $\mathrm{Ea}_1, \mathrm{Ea}_2$ and $\mathrm{Ea}_3$ are $40$,$50$ and $60 \mathrm{~kJ} / \mathrm{mol}$ respectively, the overall $\mathrm{Ea}$ is ________ $\mathrm{kJ} / \mathrm{mol}$.
The metal used in galvanizing of iron is
The reaction given below is known as

${C_2}{H_5}ONa + I{C_2}{H_5}\xrightarrow{{}}{C_2}{H_5}O{C_2}{H_5} + NaI$

Consider the following statements : According the Werner's theory.

$(1)$ Ligands are connected to the central metal ions by covalent bonds.

$(2)$ Secondary valencies have directional properties

$(3)$ Secondary valencies are non-ionisable Of these statements

Identify $C$ in the following sequence of reactions
The total number of coordination sites in ethylenedi aminetetraacetate $(EDTA^ {4 -})$ is
(image) $\xrightarrow[{(ii)LiAl{H_4}}]{{(i)ethylene\,glycol/dry\,HCl}}A\xrightarrow[\Delta ]{{{H_3}{O^ + }}}B$ 

What will be $B$ ?