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Science Affairs Chemistry

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Iodine and Bromine are the only non-metals which occur in liquid state naturally.

Nitrogen is the most abundant element in the earth’s crust.

Nitrogen is used as a fungicide.

Sulphur is used to make gun powder.

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Explanation:

Iodine is solid and Bromine is liquid , On Earth, oxygen and silicon are the two most abundant elements, with silicon only found in the Earth's crust. Nitrogen is important to the chemical industry. It is used to make fertilisers, nitric acid, nylon, dyes and explosives. To make these products, nitrogen must first be reacted with hydrogen to produce ammonia. This is done by the Haber process.