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प्रश्न
What do you understand by exothermic reactions?
उत्तर
Exothermic reaction is the chemical reaction that produces heat along with products.
Example: CaO + H2O → Ca(OH)2 + Heat
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संबंधित प्रश्न
Complete and balance the following equation:
CA (OH)2 + ............. 
CaCO3 + H2O
Balance the following chemical equation :
FeS + HCl → FeCl2 + H2S
Show the formation of Na2O by the transfer of electrons.
Balance the following equation:
MnO2 + HCl → MnCl2 + H2O + Cl2
Give word equation for the following chemical reaction and give the names of the product formed.
ZnCO3 → ZnO + CO2
Name the following:
Two non-metal which react explosively when brought in close contact.
Give an example of a chemical equation in which two reactants form:
one product
Give an example of a chemical equation in which two reactants form:
three product
Underline the compound in the equation given below, it is incorrectly balanced and write the correct balancing for the same.
NaOH + CO2 → Na2CO3 + H2O
Reema took 5ml of Lead Nitrate solution in a beaker and added approximately 4ml of Potassium Iodide solution to it. What would she observe?
