Advertisements
Advertisements
प्रश्न
State the ‘law of conservation of mass’.
उत्तर
Law of Conservation of Mass: “In any chemical reaction, the total mass of the reacting substances is equal to the total mass of the products of the reaction provided masses are measured under similar conditions.”
APPEARS IN
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.
What do you observe when, barium chloride solution is mixed with sodium sulphate solution ?
When magnesium is burnt in air, there is an increase in mass after the reaction.
What is mass ?
Fill in the blank:
Matter is anything that has............. and occupies .............
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 Proust.
‘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.
The law of conservation of mass was given by :
An ionic compound will be formed by the combination of one of the following pairs of elements. This pair of elements is :
Complete the statement given below by filling in the blanks with the correct words.
Atoms contain ________ with positively charged ________.
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.
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 |
