Advertisements
Advertisements
Question
Describe what you will observe and write fully balanced equation when the following is introduced in a jar of oxygen.
Burning magnesium
Solution
When burning magnesium is taken into the cylinder of oxygen, it bums with a dazzling white flame to form magnesium oxide.
2Mg + O2 → 2MgO
Magnesium Oxygen Magnesium oxide
APPEARS IN
RELATED QUESTIONS
A chemical called oxygenated water.
Why is hydrogen peroxide preferred in the preparation of oxygen gas ?
What happens when mercuric oxide is heated?
How is oxygen naturally renewed in air ?
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
Potassium nitrate crystals on heating strongly yield potassium nitrite and ________ gas.
Statement given below is incorrect. Write the correct statement :
Calcium burns in oxygen with a golden-yellow flame.
Tick (√ ) the most appropriate answer.
The catalyst used in the preparation of oxygen from hydrogen peroxide is :
Give reasons for the following:
oxygens finds utility in welding & cutting of metals.
