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प्रश्न
Fill in the blank space by choosing the correct word from the given list.
List: oxygen, carbonic, suIphur dioxide gas, precipitation, helium
Every nine parts of water by weight contains eight parts by weight of _________.
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उत्तर
Every nine parts of water by weight contains eight parts by weight of oxygen.
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संबंधित प्रश्न
A chemical called oxygenated water.
Taking hydrogen peroxide, how would you prepare oxygen in the laboratory ?
Why is oxygen collected by downward displacement of water?
Why is hydrogen peroxide preferred in the preparation of oxygen gas ?
Fill in the blank:
Oxygen is ___________ to litmus testing.
What happens when Magnesium burns in oxygen ? Also give the balanced chemical equation for the reaction.
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.
Write fully balanced equation for the following :
SO2 + H2O →
Write fully balanced equation for the following :
Na2O + H2O →
Give reasons for the following:
oxygens finds utility in welding & cutting of metals.
