$A$ hard and resistant metal alloy generally used in the tip of the nib of a fountain pen is
- A$Os-Ir$
- B$Pt-Cr$
- C$V-Fe$
- D$Fe-Cr$
Explore More
Similar Questions
When copper turnings and concentrated $HCl$ are heated with copper sulphate,the compound formed is:
Medium
View SolutionWhen $MnO_2$ is fused with $KOH$ in the presence of air,a colored compound is formed. Identify the compound and its color.
Medium
View SolutionIn the structure of the dichromate ion,there is a :
Match Column $A$ with Column $B$:
Column $A$ Column $B$ $(1) \ NiCl_2 \cdot 6H_2O$ $(a) \ \text{Pink}$ $(2) \ Co(NO_3)_2 \cdot 6H_2O$ $(b) \ \text{Colorless}$ $(3) \ FeCl_3$ $(c) \ \text{Blue}$ $(4) \ CuSO_4 \cdot 5H_2O$ $(d) \ \text{Green}$ $(e) \ \text{Yellow}$
| Column $A$ | Column $B$ |
|---|---|
| $(1) \ NiCl_2 \cdot 6H_2O$ | $(a) \ \text{Pink}$ |
| $(2) \ Co(NO_3)_2 \cdot 6H_2O$ | $(b) \ \text{Colorless}$ |
| $(3) \ FeCl_3$ | $(c) \ \text{Blue}$ |
| $(4) \ CuSO_4 \cdot 5H_2O$ | $(d) \ \text{Green}$ |
| $(e) \ \text{Yellow}$ |
Easy
View SolutionThe oxidising ability of the given anions follows the order:
MediumKVPY 2017
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo