Chemistry
Grade-8
Easy

Question

In the given reaction, Hydrochloric acid reacts with sodium hydroxide to form sodium chloride and water. The given chemical reaction:

  1. Does not follow the law of conversation of mass
  2. In accordance with the law of conversation of mass
  3. In accordance with the law of reciprocal proportion
  4. Both (B) and (C)

hintHint:

The mass of reactants is equal to the mass of products formed.

The correct answer is: In accordance with the law of conversation of mass


    • When Hydrochloric acid reacts with sodium hydroxide the products formed are sodium chloride and water. Say that the weight of reactants was 10gm, then the weight of products will also be 10gm.
    • The law of conservation of mass: The mass of an isolated system cannot be created or destroyed, but is transformed from one form to another". The law of conservation of mass states that quantum mechanics and Corrected with the help of special relativity.

    Related Questions to study

    Grade-8
    Chemistry

    The law of constant proportion is also called as:

    The law of constant proportion is also called as:

    ChemistryGrade-8
    Grade-8
    Chemistry

    The following picture depicts the:

    The following picture depicts the:

    ChemistryGrade-8
    Grade-8
    Chemistry

    According to the Law of Conservation of Mass, what will happen, if the wood and oxygen is burned?

    According to the Law of Conservation of Mass, what will happen, if the wood and oxygen is burned?

    ChemistryGrade-8
    parallel
    Grade-8
    Chemistry

    While verifying the law of conversation of mass, Ron added 4.5 g of magnesium metal to 15.5 g of hydrochloric acid. If mass of the magnesium chloride formed is 16.9, what is the mass of eliminated hydrogen gas if the law of conservation of mass is valid for this change.
    Mg +  2HCl →  MgCl2 +  H2

    While verifying the law of conversation of mass, Ron added 4.5 g of magnesium metal to 15.5 g of hydrochloric acid. If mass of the magnesium chloride formed is 16.9, what is the mass of eliminated hydrogen gas if the law of conservation of mass is valid for this change.
    Mg +  2HCl →  MgCl2 +  H2

    ChemistryGrade-8
    Grade-8
    Chemistry

    In the given chemical reaction, when methane reacts with oxygen, the product obtained are carbon monoxide and water. If the total mass of reactant molecules is 80 g, then find out the total mass of CO2 and H2O obtained in this reaction.

    In the given chemical reaction, when methane reacts with oxygen, the product obtained are carbon monoxide and water. If the total mass of reactant molecules is 80 g, then find out the total mass of CO2 and H2O obtained in this reaction.

    ChemistryGrade-8
    Grade-8
    Chemistry


    The molecular mass of Nitrogen molecule is ________.