Advertisements
Advertisements
प्रश्न
Balance the following equation:
NaHCO3 → Na2CO3 + H2O + CO2
उत्तर
2NaHCO3 → Na2CO3 + H2O + CO2
APPEARS IN
संबंधित प्रश्न
What is a chemical equation? Explain with the help of an example.
With the help of an appropriate example, justify that some of the chemical reactions are determined by Change in temperature.
Give chemical equation for the reaction involved in the above case.
Give one example of a chemical reaction characterised by change in state.
Write the chemical equation for the following word equation and balance them.
Sodium reacts with water to form sodium hydroxide and hydrogen
Choose the correct answer from the options given below.
The formula of sodium carbonate is Na2CO3 and that of calcium hydrogen carbonate is
Answer the following question.
What is observed when 2 mL of dilute hydrochloric acid is added to 1 g of sodium carbonate taken in a clean and dry test tube? Write a chemical equation for the reaction involved.
A student mixes sodium sulphate powder in barium chloride powder. What change would the student observe on mixing the two powders? Justify your answer and explain how he can obtain the desired change.
Representation of the results of a chemical change – is a chemical equation.
For the equation: FeCl3 + 3NH4OH 3NH4Cl + Fe(OH)3 ↓
Answer the following:
Name the reactants and the products in the above equation.
Underline the compound in the equation given below, it is incorrectly balanced and write the correct balancing for the same.
NaOH + CO2 → Na2CO3 + H2O
When aqueous solutions of potassium iodide and lead nitrate are mixed an insoluble substance separates out. The chemical equation for the reaction involved is: