Advertisements
Advertisements
Question
Give reasons for the following:
oxygens finds utility in welding & cutting of metals.
Advertisements
Solution
Oxygen finds utility in welding and cutting of metals because of Oxy-acetylene flame provides temperature aroud 3000° C and oxy-hydrogen flame provides temperature around 2800°C.
APPEARS IN
RELATED QUESTIONS
Two substances which undergo rapid oxidation.
Fill in the blank:
Manganese dioxide acts as a _________.
Fill in the blank:
Oxygen occupies about ______ of air by volume.
Complete and balance the following equation
Al + O2 →
Fill in the blank space by choosing the correct word from the given list.
List: sulphurous, nitric acid, red lead oxide paint, oxygen, phosphoric
Phosphorus pentaoxide on dissolving in water forms _________ acid.
Tick (√ ) the most appropriate answer.
The catalyst used in the preparation of oxygen from hydrogen peroxide is :
Mention the physical properties of oxygen.
Phosphorous bums with suffocating smell and gives ______.
Write about the combustible property of Oxygen.
Write a note on the rusting process.
