Question
Download Solution PDFBabu took some quantity of dilute nitric acid in a test tube and heated the test tube at 70°C for about 10 minutes. What was its effect on the pH of nitric acid?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is It decreased.
Key Points
- The pH scale measures how acidic or alkaline a substance is.
- A pH scale has a range of 0 to 14. An acidic solution has a pH less than 7 while an alkaline solution has a pH more than 7. The solution with pH 7 is neutral, that is, its neither acidic or basic.
- When the temperature is increased, the degree of decomposition in acidic solution increases, this eventually lowers or decreases the pH of the solution
- Thus, when Babu took some quantity of dilute nitric acid in a test tube and heated the test tube at 70°C for about 10 minutes, the pH of nitric acid decreases with increase in temperature.
Last updated on Jun 2, 2025
-> The RRB NTPC Admit Card 2025 has been released on 1st June 2025 on the official website.
-> The RRB Group D Exam Date will be soon announce on the official website. Candidates can check it through here about the exam schedule, admit card, shift timings, exam patten and many more.
-> A total of 1,08,22,423 applications have been received for the RRB Group D Exam 2025.
-> The RRB Group D Recruitment 2025 Notification was released for 32438 vacancies of various level 1 posts like Assistant Pointsman, Track Maintainer (Grade-IV), Assistant, S&T, etc.
-> The minimum educational qualification for RRB Group D Recruitment (Level-1 posts) has been updated to have at least a 10th pass, ITI, or an equivalent qualification, or a National Apprenticeship Certificate (NAC) granted by the NCVT.
-> This is an excellent opportunity for 10th-pass candidates with ITI qualifications as they are eligible for these posts.
-> The selection of the candidates is based on the CBT, Physical Test, and Document Verification.
-> Prepare for the exam with RRB Group D Previous Year Papers.