Chemistry The compound that has the least value for octane number is : 2,2-dimethyl hexane Iso-octane N-heptane 2-methyl heptane 2,2-dimethyl hexane Iso-octane N-heptane 2-methyl heptane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The biogas used for cooking is a mixture of which of the following? Methane and carbon monoxide Carbon dioxide and oxygen Isobutane and propane Methane and carbon dioxide Methane and carbon monoxide Carbon dioxide and oxygen Isobutane and propane Methane and carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Nickel Chromium Lead Zinc Nickel Chromium Lead Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of fire extinguisher is used for petroleum fire ? Powder type Soda acid type None of these Foam type Powder type Soda acid type None of these Foam type ANSWER DOWNLOAD EXAMIANS APP
Chemistry Inert gases are Not stable Chemically unreactive Chemically very active Miscible with water Not stable Chemically unreactive Chemically very active Miscible with water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The natural source of hydro-carbon is Coal Carbohydrates Biomass Crude oil Coal Carbohydrates Biomass Crude oil ANSWER DOWNLOAD EXAMIANS APP
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