Chemistry The natural source of hydro-carbon is Carbohydrates Biomass Crude oil Coal Carbohydrates Biomass Crude oil Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon is a type of Polyamide Polyester Polyolefin Acrylic Polyamide Polyester Polyolefin Acrylic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer of atmosphere absorbs: Cosmic rays. All radiations of Light Ultraviolet rays Infra-red rays Cosmic rays. All radiations of Light Ultraviolet rays Infra-red rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry The third shell of an atom can have a maximum of ______ electrons 18 15 13 21 18 15 13 21 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used in developing photographic films is Hypo Sodium sulphate Hydroquinone Silver bromide Hypo Sodium sulphate Hydroquinone Silver bromide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The two metal ions that cause hardness to water are: Calcium, Magnesium Sodium, Potassium Sodium, Calcium Sodium, Magnesium Calcium, Magnesium Sodium, Potassium Sodium, Calcium Sodium, Magnesium ANSWER DOWNLOAD EXAMIANS APP
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