Solder is an alloy of
Solder is an alloy of
- [IIT 1995]
- A
$70\%$ lead, $ 30\%$ tin
- B
$30\%$ lead, $70\%$ tin
- C
$80\%$ lead, $20\%$ tin
- D
$90\%$ $Cu, 10\%$ tin
Similar Questions
Which of the following is the correct sequence of atomic weights of given elements
Which of the following is the correct sequence of atomic weights of given elements
The number of unpaired electrons is maximum in (Atomic no. : $ Ti = 22; V= 23; Cr = 24; Fe = 26$)
The number of unpaired electrons is maximum in (Atomic no. : $ Ti = 22; V= 23; Cr = 24; Fe = 26$)
The chief constituents of steel made in India are
The chief constituents of steel made in India are
The spin only magnetic moment of $\left[ ZCl _{4}\right]^{2-}$ is $3.87 \,BM,$ where $Z$ is $.....$
- [KVPY 2015]
Predict which of the following will be coloured in aqueous solution? $Ti ^{3+}, V ^{3+}, Cu ^{+},$ $Sc ^{3+}, Mn ^{2+}, Fe ^{3+}$ and $Co ^{2+} .$ Give reasons for each.
Predict which of the following will be coloured in aqueous solution? $Ti ^{3+}, V ^{3+}, Cu ^{+},$ $Sc ^{3+}, Mn ^{2+}, Fe ^{3+}$ and $Co ^{2+} .$ Give reasons for each.