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. - Chemistry

Advertisements
Advertisements

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

उत्तर

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

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 1: Matter - Objective type questions

संबंधित प्रश्‍न

In a reaction, 5.3 g of sodium carbonate reacted with 6 g of acetic acid. The products were 2.2 g of carbon dioxide, 0.9 g water and 8.2 g of sodium acetate. Show that these observations are in agreement with the law of conservation of mass.

Sodium carbonate + acetic acid → sodium acetate + carbon dioxide + water


 State the law of conversation of mass.


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.


‘If 100 grams of calcium carbonate (whether in the form of marble or chalk) are decomposed completely, then 56 grams of calcium oxide and 44 grams of carbon dioxide are obtained’. Which law of chemical combination is illustrated by this statement ?


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 ?


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 ‘law of conservation of mass’.


Complete the statement given below by filling in the blanks with the correct words.

Atoms contain ________ with positively charged ________.


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

Why does a light paddle wheel placed in the path of cathode rays begin to rotate, when cathode rays fall on it?


Name the four laws of chemical combinations.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×