Chemistry Domestic cooking gas consists mostly of Hydrogen and acetylene Ethylene and carbon monoxide Liquified butane and isobutane Methane and ethane Hydrogen and acetylene Ethylene and carbon monoxide Liquified butane and isobutane Methane and ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by man was copper iron gold bronze copper iron gold bronze ANSWER DOWNLOAD EXAMIANS APP
Chemistry Match the sourc in Column B with the product of Column A. (Product) Column B (Source)A. Formic acid1. LemonB. Citric acid 2. TamarindC. Tartaric acid3. Ants A B C 2 3 1 A B C 3 1 2 A B C3 2 1 A B C 2 1 3 A B C 2 3 1 A B C 3 1 2 A B C3 2 1 A B C 2 1 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main active constituent of tea and coffee is nicotine aspirin caffeine chlorophyll nicotine aspirin caffeine chlorophyll ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bakelite is a co-polymer of Phenol and Cinnaldehyde Benzaldehyde Acetaldehyde Formaldehyde Cinnaldehyde Benzaldehyde Acetaldehyde Formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Chemistry Two moles of an ideal gas expand freely into vacuum. The work done by the gas is 4J 2J Infinity 4J 2J Infinity ANSWER DOWNLOAD EXAMIANS APP
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