gr 6 oxygen | Baamboozle - Baamboozle | The Most Fun Classroom Games!

English 12 Public

atmosphere

Study Slideshow

A slow combination of oxygen with an element in the presence of moisture.

oxidation

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Catalyst used in preparation of oxygen gas.

magnesium dioxide

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- The gas represents one fifth of the volume of atmosphere.

oxygen

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- It is a rapid union between oxygen and element that produces heat and light

burning

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A layer that protects the earth from harmful radiation that comes from sun

ozon layer

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A gas forms 78 % of the air volume.

nitrogen

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A gas form 21 % of the air volume.

oxygen

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A substance that remains without any change in its quantity and properties during the chemical reaction

catalyst

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The oxygen gas is produced plentifully from ……………… during ………………..

green plants- photosynthesis

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Oxygen is ……………… than air, so it can replace air .

heavier

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……………. and ………….. are from the uses of oxygen gas .

answer

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The mass of cleansing wire increases when you burn it G.R

Due to the combination with oxygen during burning.

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