Advertisements
Advertisements
प्रश्न
Write word equation for the following molecular equation:
CuCo3 → CuO + CO2 [g]
Word equation:
State the characteristics or indications occurring in the above reaction.
Advertisements
उत्तर
Copper carbonate → Copper oxide + carbon dioxide
Indication –
The colour of Copper Carbonate (CuCO3) i.e. green changes to Copper oxide (CuO) i.e. Black
APPEARS IN
संबंधित प्रश्न
Write the balanced chemical equation for the following reaction.
\[\ce{Aluminium + Copper chloride -> Aluminium chloride + Copper}\]
Write the balanced equation for the following reaction, and add the state symbol:
Magnesium carbonate reacts with hydrochloric acid to produce magnesium chloride, carbon dioxide and water.
When potassium nitrate is heated, it decomposes into potassium nitrite and oxygen. Write a balanced equation for this reaction and add the state symbols of the reactants and products.
State one characteristic of the chemical reaction which takes place when quicklime is treated with water.
The metal M reacts vigorously with water to form a solution S and a gas G. The solution S turns red litmus to blue whereas gas G, which is lighter than air, burns with a pop sound. Metal M has a low melting point and it is used as a coolant in nuclear reactors.
- What is metal M?
- What is solution S? Is it acidic or alkaline?
- What is gas G?
- Write a balanced chemical equation for the reaction which takes place when metal M reacts with water.
- Is this reaction exothermic or endothermic?
Write a balanced chemical equation with state symbols for the following reaction:
Barium chloride solution reacts with sodium sulphate solution to give insoluble barium sulphate and a solution of sodium chloride.
Write word equation for the following skeletal equation:
\[\ce{AgBr -> Ag + Br2}\]
Raisins are wiped off gently before final weighing with the help of
Balance the following equation:
Zn + KOH → K2ZnO2 + H2
Name the substance that is getting oxidised in the thermit process.
