Which of the following elements is obtained from sea weeds?

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• Sea weeds are important source of –
• Which metal is extracted from sea water?
• The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is -
• The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing is –
• The inert gas which is substituted for nitrogen in the air used by deep sea divers for Breathing is:
• What is the most common salt in sea water?
• Sea water can be purified by the process of –
• The gas used to dilute oxygen for breathing by deep sea divers is-
• In deep-sea diving, divers use a mixture of gases consisting of oxygen and –
• Sea water is saltier than rain water because –