Download App

STD 12 - 4. d and f- block elements — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 12 - 4. d and f- block elements4 Marks
MCQ
An alloy which does not contain copper is
  • ✓
    Solder
  • B
    Bronze
  • C
    Brass
  • D
    Bell metal
✓

Answer

Correct option: A.
Solder
a
(a)Solder$(Pb + Sn)$,

Bronze $(Cu + Sn)$,

Brass $(Cu + Zn)$,

Bell metal $(Cu + Sn)$.

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

NEET STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

A first order reaction has a specific reaction rate of $10^{-2}\,sec^{-1}.$ How much time will it take for $20\, g$ of the reactant to reduce to $5\, g\,?$ ........ $\sec$
→
Which of the following is not  $ o, p—$ directing group
→
The purple colour of $KMnO_4$ is due to the transition
→
Which of the following energy change is less than third balmer transition in $H{e^ \oplus }$ ion
→
Which of the following is general formula of alkane amide ?
→
Which of the following benzene ring is most reactive towards electrophile $({E^ \oplus })$ ? 
→
In the metallurgy of aluminium, cryolite is mixed in the molten state because it
→
$H_3BO_3$ is
→
Benzene reacts with $n-$ propyl chloride in the presence of anhydrous $AlCl_3$ to give predominantly :
→
Select the incorrect pair
→