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Chemistry

Chemistry
The scientist who experimentally proved the existance of positron is

Fermi
Bohr
Anderson
Bethe

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Chemistry
Which of the following vegetable oils does not contain essential fatty acids ?

Sunflower oil
Mustard oil
Groundnut oil
Coconut oil

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Chemistry
Curd is sour due to presenceof

Tartaric acid
Lactic acid
Oxalic acid
Acetic acid

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Chemistry
Which one is the most reactive gaseous element

Bromine
Iodine
Chlorine
Flourine

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Chemistry
Silicon is a

Insulator
Conductor
Nonconductor
Semiconductor

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Chemistry
The material used in solar cells contains

Silicon
Thallium
Caesium
Tin

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