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प्रश्न
Name the law of chemical combination which was given by Lavoisier.
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उत्तर
The law of chemical combination proposed by Lavoisier is well known as the law of conservation of mass.
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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.
Give reason for the following.
Electricity is not considered matter.
State the law of conservation of mass.
‘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 ?
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 ?
Complete the statement given below by filling in the blanks with the correct words.
Atoms contain ________ with positively charged ________.
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.
