Advertisements
Advertisements
प्रश्न
How will you obtain dry oxygen in the laboratory?
Advertisements
उत्तर
Dry oxygen can be obtained if the gas so collected is passed f over a tower containing drying agents like phosphorus pentaoxide, fused calcium chloride or bubbling the gas through concentrated sulphuric acid. Then the dry gas is collected by downward displacement of mer – cury.
APPEARS IN
संबंधित प्रश्न
An oxide and a carbonate containing oxygen.
Taking hydrogen peroxide, how would you prepare oxygen in the laboratory ?
What is the role of manganese dioxide in the preparation of oxygen?
What happens when a glowing splinter is introduced in a jar containing oxygen ?
Name the three types of oxidation processes. In which of these large amount of heat and light energy are produced?
Fill in the blank:
Oxygen is ___________ to litmus testing.
How will you identify oxygen in the laboratory ?
Complete and balance the following equation
S + O2 →
Mention the physical properties of oxygen.
Phosphorous bums with suffocating smell and gives ______.
