Chemistry Which among the following is used to dilute oxygen in the gas cylinders used by divers ? Neon Krypton Argon Helium Neon Krypton Argon Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is All of them Carbon dioxide Hydrogen Oxygen All of them Carbon dioxide Hydrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bakelite is a co-polymer of Phenol and Acetaldehyde Cinnaldehyde Formaldehyde Benzaldehyde Acetaldehyde Cinnaldehyde Formaldehyde Benzaldehyde ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material which can be deformed permanently by heat and pressure is called a polymer chemical compound thermoset thermoplastic polymer chemical compound thermoset thermoplastic ANSWER DOWNLOAD EXAMIANS APP
Chemistry The constituents of automobile exhaust that can cause cancer is/are : Polycyclic hydrocarbons Lead Carbon monoxide Oxides of nitrogen Polycyclic hydrocarbons Lead Carbon monoxide Oxides of nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is not a pollutant ? Aluminium Arsenic Mercury Lead Aluminium Arsenic Mercury Lead ANSWER DOWNLOAD EXAMIANS APP
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