Advertisements
Advertisements
प्रश्न
Ruthresh, Hari, Kanishka, and Thahera collected different samples of water from a well, a pond, a river, and underground water. All these samples were sent to a testing laboratory. The test result showed the ratio of hydrogen to oxygen as 1:8.
- What conclusion would you draw from the above experiment?
- Which law of chemical combination does it obey?
Advertisements
उत्तर
- Water obtained from different sources like a well, a pond, a river, and underground water will always consist of the same two elements hydrogen and oxygen in the ratio of 1: 8 by mass.
- It obeys the law of constant proportion.
APPEARS IN
संबंधित प्रश्न
Name the scientist who gave law of constant proportions.
Name the scientist who gave atomic theory of matter.
Name any two laws of chemical combination.
Give one major drawback of Dalton's atomic theory of matter.
State the various postulates of Dalton’s atomic theory of matter.
The atomic theory of matter was proposed by :
In an experiment, 4.90 g of copper oxide was obtained from 3.92 g of copper. In another experiment, 4.55 g of copper oxide gave, on reduction, 3.64 g of copper. Show with the help of calculations that these figures verify the law of constant proportions.
What do we call those particles which have more or less electrons than the normal atoms ?
What do we call those particles which have more electrons than the normal atoms ?
What do we call those particles which are formed by the loss of electrons by atoms ?
