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Seaweeds are important source of

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Sea weeds are important source of

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The strongest oxidizing agent among the following is:

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Helium is added to the oxygen supply of deep sea divers because it is

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Vulcanization of rubber is carried out by adding

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Hamburger effect is otherwise known as–

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The inert gas used as beacon light is

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The noble gas used in radiotherapy is

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Inert gases are

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Which one of the following does not form oxyacid ?

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Which of the following is not a method of preparing oxygen?

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Which one of the following statements is not correct? Vulcanisation of rubber makes it

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The compounds formed when hydrogen combines with p-block elements are called

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In vulcanisation process, rubber can be hardened by adding

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The substance that is added to make natural rubber strong and more bouncy is

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In arc welding, Argon is used because of its

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An inert gas mixed with oxygen given to patients suffering from restricted breathing is

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Which of the following elements is obtained from seaweeds ?

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Silica gel is a

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Silicon is a

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