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Chemistry

Chemistry
Acid rain is caused by

SO2 and particulates
CO2and CFCs
SO2 and NO2
NO2and particulates

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Chemistry
Silk fibre chemically is :

Fat
Cellulose
Carbohydrate
Protein

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Chemistry
What is the element that is in the highest percentage in the composition of the earth ?

Silicon
Iron
Magnesium
Oxygen

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Chemistry
Cement is made hard with

Polymerisation
Hydration and dissociation of water
Dehydration
Dissociation of water

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Chemistry
The most commonly used bleaching agent is

alcohol
chlorine
sodium chlorine
carbon dioxide

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Chemistry
Activated Charcoal is used to remove colouring matter from pure substances by

Oxidation
Bleaching
Adsorption
Reduction

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MORE MCQ ON Chemistry

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