मराठी
सी.आई.एस.सी.ई.आयसीएसई ICSE Class 8

Select the Correct Answer from A, B, C, D and E for the Statement Given Below: in Landolt’S Experiment – the Form in Which the Chemical Energy Stored up in the Reactants __________ is Released.

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प्रश्न

Select the correct answer from A, B, C, D & E for the statement given below:

In Landolt’s experiment – the form in which the chemical energy stored up in the reactants __________ is released.

पर्याय

  • Solid

  • Vaporization

  • Ion

  • Gases

  • Heat

MCQ
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उत्तर

In Landolt’s experiment – the form in which the chemical energy stored up in the reactants Heat is released.

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पाठ 1: Matter - Objective type questions

संबंधित प्रश्‍न

Which postulate of Dalton’s atomic theory is the result of the law of conservation of mass?


 State the law of conversation of mass.


If an object weighs 6 kg on earth. What will be its weight on moon ?


Give reason for the following.

Electricity is not considered matter.


State the law of conservation of mass.


Name the scientist who gave law of conservation of mass.


Name the law of chemical combination which was given by Lavoisier.


State the law of conservation of mass. Give one example to illustrate this law.


Which postulate of Dalton's atomic theory can explain the law of conservation of mass ?


The law of conservation of mass was given by :


Potassium chlorate decomposes, on heating, to form potassium chloride and oxygen. When 24.5 g of potassium chlorate is decomposed completely, then 14.9 g of potassium chloride is formed. Calculate the mass of oxygen formed. Which law of chemical combination have you used in solving this problem ?


An ionic compound will be formed by the combination of one of the following pairs of elements. This pair of elements is :


State the main points of Landolt’s experiment for experimental evidence of the law. 


Select the correct answer from A, B, C, D & E for the statement given below:

The process of change of a liquid into vapour, [gas] on heating.


Complete the statement by filling the blank with the correct word given below.

The law of conservation of mass is strictly valid if mass and _________ are considered together.


Match the following.

Law of conservation of mass Sir William Crookes
Law of constant proportion James Chadwick
Cathode rays Joseph Proust
Anode rays Lavoisier
Neutrons Goldstein

Name the four laws of chemical combinations.


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