Advertisements
Advertisements
प्रश्न
Why is water considered a compound?
Advertisements
उत्तर
Water is considered a compound because it is made of two elements hydrogen and oxygen combined in the ratio 1:8 by mass.
Mass ratio of elements H2O
H : O, 2 × 1 : 16 × 1 = 1 : 8
(Atomic mass of H = 1, O = 16)
Components of water cannot be separated by physical methods but can be separated by electrolysis of water.
APPEARS IN
संबंधित प्रश्न
Give balanced chemical equation for the reaction of water with Iron .
Name the gas produced when a piece of calcium is added to water.
The solubility of a gas in water.............. with rise in temperature and.......................with rise in pressure.
Give one word for the following statement:
The gaseous form of water found in air .
Explain how the peculiar variation of density of water with temperature can protect marine-life.
Complete the statement by filling the blank with the correct word from the option.
The ratio of hydrogen & oxygen in water is ____.
Explain why oil spills have an adverse effect on marine life.
Explain any two environmental impacts of an ‘oil spill’.
A jumbled word is given here. Write the correct form of the word.
QUIFERA
Write any two activities which require less than one bucket of water.
