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What iteams contain hydrogen?

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Anonymous

16y ago
Updated: 8/17/2019

Many molecules contain hydrogen as an element, such as water (H2O), sulphuric acid (H2SO4) and methane (CH4). However, hydrogen existing as a pure gas, H2, takes up about 70% of the air we breathe, is very flammable and also used in blimps.

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Wiki User

16y ago

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