Chemistry Which of the following is a natural polymer? Starch Bakelite Nylon Polythene Starch Bakelite Nylon Polythene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used to dilute oxygen in the gas cylinders used by divers ? Argon Krypton Helium Neon Argon Krypton Helium Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following, which is always found in free-state in nature? Sodium Copper Gold Silver Sodium Copper Gold Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical formula of the laughing gas is NO N2O3 NO2 N2O NO N2O3 NO2 N2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which substance is used to retard the setting action of cement? Al2O3 CaSO4, 2H2O CaO Na2O + K2O Al2O3 CaSO4, 2H2O CaO Na2O + K2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry The octane number of zero is assigned to n-heptane iso-octane 2-methyl octane 3-methyl octane n-heptane iso-octane 2-methyl octane 3-methyl octane ANSWER DOWNLOAD EXAMIANS APP