Advertisements
Advertisements
प्रश्न
Name the following:
The product formed when phosphorus burns in oxygen.
Advertisements
उत्तर
Phosphorus pentoxide (P2O5).
संबंधित प्रश्न
Complete and balance the following chemical equation.
\[\ce{HgO ->[heat]}\] ______ + _______
Statement given below is incorrect. Write the correct statement :
Helium gas at low pressure is used for filling electric bulbs.
Fill in the blanks
Oxygen is used in ___________the food to get _______.
Name the following:
The product of respiration released in exhaled air, other than carbon dioxide.
Compare the three main components of air i.e. nitrogen, oxygen and carbon dioxide with reference to their density and solubility, nature and reactivity.
What is the source of oxygen gas in air?
List out the uses of carbon dioxide.
Analogy
Photosynthesis : _____ :: Respiration : Oxygen
Air also contains a small amount of carbon-di-oxide, water vapour, and some other gases like argon,
When cooled to -57°C, gaseous carbon-di-oxide becomes a liquid.
