Detailed explanation with examples on laws-of-chemical-combination-and-daltons-atomic-theory helps you to understand easily , designed as per NCERT. QnA , Notes & Videos

Preparation methods: Combination reaction: Hydrogen chloride can be prepared by the reaction of moist hydrogen gas with chlorine in the presence of the diffused sunlight. The reaction should be …

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Detailed explanation with examples on types-of-chemical-reactions helps you to understand easily , designed as per NCERT. QnA , Notes & Videos

2. In a certain change, color and the magnetic properties of a substance changed. What reaction might this be? (A) Chemical combination. (B) Photochemical reaction.

The process of combination of different atoms to form different products is known as chemical reaction. Chemical reaction involves a change in the physical and chemical properties like:

Laws of Chemical Combination: The Law of conservation of mass: This law states that, the total mass of reactants is equal to the total mass of products. In any chemical reaction, the total mass of the …

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n before testing. Write the equation of the chemical reaction involved and the test o detect the gas. Name the gas which will be evolved when the same metal reacts with dilute solution of a strong acid. …

The enthalpy change that accompanies a reaction is called reaction enthalpy or enthalpy of reaction. The enthalpy of a reaction is defined as the amount of heat evolved or absorbed in a chemical …