Chemistry Terylene is a condensation polymer of ethylene glycol and which acid? Benzoic Acid Salicylic acid Terephthalic acid Phthalic acid Benzoic Acid Salicylic acid Terephthalic acid Phthalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of vinegar is Formaldehyde Acetic acid Acetone Ethanol Formaldehyde Acetic acid Acetone Ethanol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Carbon di-oxide Ethane Carbon monoxide Methane Carbon di-oxide Ethane Carbon monoxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used in embalming biological materials is Formaldehyde in water Formaldehyde in methanol Ethylene glycol Gaseous formaldehyde Formaldehyde in water Formaldehyde in methanol Ethylene glycol Gaseous formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used to dilute oxygen for breathing by deep sea divers is: Nitrogen Neon Helium Argon Nitrogen Neon Helium Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Electrons Neutrons Positrons Protons Electrons Neutrons Positrons Protons ANSWER DOWNLOAD EXAMIANS APP
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