📚NCERT Questions — NCERT10
100 solved questions with detailed explanations
The reaction between barium chloride and aluminium sulphate produces barium sulphate and aluminium chloride. What is the state symbol for barium sulphate in this reaction?
What is the common name for calcium oxide (CaO) produced from the thermal decomposition of calcium carbonate?
The reaction between potassium bromide (aq) and barium iodide (aq) results in the formation of a precipitate. What is the chemical formula of this precipitate?
Which of the following observations indicates that a chemical reaction has taken place?
The word equation 'Zinc + Sulphuric acid → Zinc sulphate + Hydrogen' can be represented by which balanced chemical equation?
In the reaction CuO + H₂ → Cu + H₂O, which substance is being reduced?
What is the general term for the process when a metal is attacked by substances around it such as moisture, acids, etc.?
In the equation 3Fe(s) + 4H₂O(g) → Fe₃O₄(s) + 4H₂(g), what does (g) next to H₂O indicate?
When lead nitrate powder is heated, brown fumes are observed. These fumes are of which gas?
Which of the following reactions represents the formation of water from its constituent elements?