Acids, Bases and Salts

Bihar Board Class 10 · Science · 39 past questions

3 of 39 · show all

1. Q1 2026

   Which of the following is a strong acid ?

   Try it →
2. Q2 2026

   A solution turns blue litmus paper, red. Its pH will be probably

   Try it →
3. Q3 2026

   Which of the following is a natural source of oxalic acid ?

   Try it →