Explain an activity to show that a. metallic oxides are basic in nature. b. metals on reacting with acids liberate hydrogen gas. NO SPAMMING
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When hydrogen gas is released in a reaction it will immediately rise up, because hydrogen is less dense than air. If you filled a balloon with hydrogen, it would float up and you would need to tie a string to it to prevent it from floating away!
Another interesting thing about hydrogen is that it reacts explosively with oxygen if you bring a flame near it. between a large quantity of hydrogen and oxygen in the air produces a beautiful orange fireball and a very loud ! it broke with a pop sound...
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