Easy
When a standard solution of $NaOH$ is left in air for a few hours:
- A$A$. $A$ precipitate will be formed
- B$B$. Strength of solution will increase
- C$C$. Strength of solution will decrease
- D$D$. Concentration of sodium ion will remain constant
Explore More
Similar Questions
Iron sulphide is heated in air to form $A$,an oxide of sulphur. $A$ is dissolved in water to give an acid. The basicity of this acid is
$K_2CS_3$ is called potassium ...... .
Easy
View Solution$100 \ g$ of a mixture of $NaOH$ and $Na_2SO_4$ is neutralized by $100 \ mL$ of $0.5 \ M \ H_2SO_4$. What is the amount of $Na_2SO_4$ present in the mixture (in $g$)?
In potash alum, the ratio of $K^+$ and $SO_4^{2-}$ ions is
MediumNEET 2026
View SolutionFerric alum has the composition $(NH_4)_2SO_4 \cdot Fe_2(SO_4)_3 \cdot xH_2O$,where $x$ is..........
Medium
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