Fill in the blankEasy1 mark
1(a)
Fill in the blanks from the choices given in brackets:
When a metallic oxide is dissolved in water, the solution formed has a high concentration of .............. ions. (H⁺, H₃O⁺, OH⁻)
Topic: Periodic properties and trends
Previous-year question practice database
Answer
Exam answer
OH⁻.
More from Periodic Table, Periodic Properties and Variations of Properties
Identify the element A.2026Write the formula of the compound formed when element A combines with hydrogen.2026Which element would be most difficult to reduce among P, Q and R?2026Which element is expected to have the smallest atomic radius among P, Q and R?2026Arrange P, Q and R in order of decreasing ionisation potential.2026Electronegativity increases across a period.2026