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Chemistry

Chemistry
Which metal does not undergo corrosion due to the formation of oxide layer?

Zinc
Copper
Iron
Aluminium

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Chemistry
The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle?

100 years
0.01 minute
3 billion years
13 days

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Chemistry
The important metal used with iron to produce stainless steel is

Aluminium
Tin
Carbon
Chromium

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Chemistry
The purest form of water is

Rain water
Ground water
Tap water
Distilled water

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Chemistry
Aspirin is

Phenyl Salicilate
Methoxy benzoic acid
Methyl Salicilate
Acetyl Salicilic acid

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Chemistry
Which of the following is a natural dye ?

Alizarin
Aniline blue
Phenolphthalein
Crystal violet

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MORE MCQ ON Chemistry

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