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CHEMISTRY

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

Helium
Krypton
Argon
Radon

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

Sulphur
Argon
Iodine
Vanadium

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Chemistry
Silica gel is a

Flavouring agent
Moisturizer
Drying agent
Delicious food

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Chemistry
Silicon is a

Conductor
Nonconductor
Insulator
Semiconductor

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Chemistry
Silicon is used in

Transistors
Solar energy devices
Semiconductors
All of these

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