Question : Which of the following elements is obtained from seaweeds?
Option 1: Iodine
Option 2: Vanadium
Option 3: Argon
Option 4: Sulphur
Correct Answer: Iodine
Solution : The correct option is Iodine.
Rich levels of iodine, an element that is necessary for optimal thyroid function and a healthy metabolism, may be found in seaweed like laminaria and polysiphonia. Additionally, zinc and antioxidants found in seaweed aid in boosting immunity.
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Question : Which of the following pairs of chemical elements and their symbols is incorrect?
Option 1: Phosphorus – P
Option 2: Potassium – Po
Option 3: Iron – Fe
Option 4: Iodine – I
Question : Which of the following metals has the lowest density?
Option 1: Lithium
Option 2: Iron
Option 3: Gold
Option 4: Vanadium
Question : Which of the following is colourless?
Option 1: Chlorine
Option 2: Oxygen
Option 3: Phosphorus
Question : Which of the following is not a noble gas?
Option 1: Helium
Option 2: Hydrogen
Option 3: Neon
Option 4: Argon
Question : Which of the following gases is used in a bulb?
Option 1: Hydrogen
Option 2: Carbon dioxide
Option 3: Carbon monoxide
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