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CHEMISTRY

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

Krypton
Radon
Helium
Argon

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

Iodine
Argon
Vanadium
Sulphur

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Chemistry
Silica gel is a

Delicious food
Drying agent
Moisturizer
Flavouring agent

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Chemistry
Silicon is a

Nonconductor
Insulator
Conductor
Semiconductor

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Chemistry
Silicon is used in

All of these
Semiconductors
Solar energy devices
Transistors

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