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प्रश्न
Give tests for oxygen gas.
उत्तर
Tests for oxygen gas are :
- It rekindles glowing wooden splinter.
- If mixed with colourless nitric oxide gas, it forms reddish brown fumes of nitrogen dioxide.
- It dissolves in alkaline pyrogallol solution and turns it brown.
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संबंधित प्रश्न
What happens when a glowing splinter is introduced in a jar containing oxygen ?
What happens when potassium nitrate is heated
Name the three types of oxidation processes. In which of these large amount of heat and light energy are produced?
Give four uses of oxygen.
Fill in the blank:
Oxygen is slightly _________ than air.
Give balanced equation to obtain oxygen from Silver oxide.
Complete and balance the following equation
\[\ce{N2 + O2 ->[3000°C]}\]
(a) Starting from hydrogen peroxide how is oxygen gas prepared in laboratory?
(b) What is the function of manganese dioxide?
(c) Write fully balanced equation for the liberation of oxygen from hydrogen peroxide.
(d) Why is the above method preferred to any other method?
Write fully balanced equation for the following :
SO2 + H2O →
Write the reaction of oxygen with non–metals.
