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.
विकल्प
Solid
Vaporization
Ion
Gases
Heat
Advertisements
उत्तर
In Landolt’s experiment – the form in which the chemical energy stored up in the reactants Heat is released.
APPEARS IN
संबंधित प्रश्न
Hydrogen and oxygen combine in the ratio of 1:8 by mass to form water. What mass of oxygen gas would be required to react completely with 3 g of hydrogen gas?
Which postulate of Dalton’s atomic theory is the result of the law of conservation of mass?
When magnesium is burnt in air, there is an increase in mass after the reaction.
What is 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.
Fill in the blank:
Matter is anything that has............. and occupies .............
Name the scientist who gave law of conservation of mass.
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 :
Copper sulphate reacts with sodium hydroxide to form a blue precipitate of copper hydroxide and sodium
sulphate. In an experiment, 15.95 g of copper sulphate reacted with 8.0 g of sodium hydroxide to form
9.75 g of copper hydroxide and 14.2 g of sodium sulphate. Which law of chemical combination is illustrated by this data ? Give reason for your choice.
State the ‘law of conservation of mass’.
State the main points of Landolt’s experiment for experimental evidence of the law.
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.
