List of top Science Questions on Some basic concepts of chemistry asked in JKBOSE Class X Board

Explain the neutralisation reaction with an example and its utility in daily life.
What are amphoteric oxides? Give two examples.
Differentiate between metals and non-metals based on their chemical properties.
Explain the formation of Ionic Compounds (e.g., \(NaCl\) or \(MgCl_2\)) and state their properties.
Explain the mechanism of cleaning action of soap (micelle formation).
Define Corrosion and Rancidity and suggest methods for their prevention.
Explain the difference between displacement and double displacement reactions with equations.
Balance the following chemical equations: \(H_2 + O_2 \rightarrow H_2O\) and \(NaOH + HCl \rightarrow NaCl + H_2O\).
Define Oxidation and Reduction reactions with suitable examples (Redox reactions).
Define Acids and Bases according to the Arrhenius theory.
What is the pH scale, and why is pH important in everyday life?
Write the chemical formula and two uses of Washing Soda and Plaster of Paris (POP).