Gun metal is an alloy of
Gun metal is an alloy of
- A
$Cu$ and $Al$
- B
$Cu,\,Sn$ and $Zn$
- C
$Cu,\,Zn$ and $Ni$
- D
$Cu$ and $Sn$
Similar Questions
If the colours of salts of transition elements are due to the presence of unpaired electrons in the transition metal ions, which of the following ions will be colourless in aqueous solution
If the colours of salts of transition elements are due to the presence of unpaired electrons in the transition metal ions, which of the following ions will be colourless in aqueous solution
Which of the following sulphides is yellow in colour
Which of the following sulphides is yellow in colour
Which have melting point below $500\,^{\circ} C$.
Which have melting point below $500\,^{\circ} C$.
- [AIIMS 2019]
Explain on what factors the ionization enthalpies of elements having $d^{\mathrm{n}}$ configuration depends upon ?
Explain the variation in ionization enthalpies of transition elements in $3 d$ series.
Explain on what factors the ionization enthalpies of elements having $d^{\mathrm{n}}$ configuration depends upon ?
Explain the variation in ionization enthalpies of transition elements in $3 d$ series.
Many transition metals form interstitial compounds. The characteristics of these interstitial compounds are
$(I)$ They have high melting points, higher than those of pure metals
$(II)$ They are very hard
$(III)$ They retain metallic conductivity
$(IV)$ They are chemically more reactive than the pure metals
Many transition metals form interstitial compounds. The characteristics of these interstitial compounds are
$(I)$ They have high melting points, higher than those of pure metals
$(II)$ They are very hard
$(III)$ They retain metallic conductivity
$(IV)$ They are chemically more reactive than the pure metals