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प्रश्न
Tick (√ ) the most appropriate answer.
Sodium burns in oxygen with a flame which is :
पर्याय
brick red in colour
golden yellow in colour
blue in colour
crimson in colour
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उत्तर
golden yellow in colour
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संबंधित प्रश्न
Two substances from which oxygen can be obtained at a large scale.
Give four uses of oxygen.
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 _________.
Give balanced equation to obtain oxygen from Silver oxide.
Fill in the blank space by choosing the correct word from the given list.
List: sulphurous, nitric acid, red lead oxide paint, oxygen, phosphoric
The nitric oxide gas reacts with the oxygen and water vapour to form ______ vapour.
Write ‘True’ or ‘False’ in front of following statement.
Under laboratory conditions, the oxygen gas is insoluble in water.
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.
Mention the physical properties of oxygen.
Write the reaction of oxygen with non–metals.
