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CHEMISTRY

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

Radon
Argon
Helium
Krypton

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Chemistry
Which of the following elements is obtained from sea weeds ?

Iodine
Sulphur
Vanadium
Argon

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Chemistry
Silica gel is a

Moisturizer
Flavouring agent
Drying agent
Delicious food

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Chemistry
Silicon is a

Conductor
Insulator
Nonconductor
Semiconductor

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Chemistry
Silicon is used in

All of these
Solar energy devices
Semiconductors
Transistors

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