=[AD]=
Engineering Exams RRB-JE CMA (Chemical and Metallurgical Assistant) Technical Abilities 2025 22.04.25 Paper-2 Shift-2 Medium +1 -0.33
Which of the following ions is present in washing soda?
Correct Answer: B. Carbonate ion
Explanation: Washing soda, chemically known as sodium carbonate (Na2CO3), is an inorganic compound that dissociates in water to release sodium ions (Na+) and carbonate ions (CO3^2-). Among the options provided, the carbonate ion is the specific polyatomic ion found in its chemical structure. Therefore, the presence of the carbonate ion confirms its identity as washing soda.
Click below to open Discussion & Feedback
0 Issues
Please login to comment or Report Issues.
Reported Issues
=[AD]=