Chemistry Which of the inert gases can form compounds? Helium Xenon Krypton Argon Helium Xenon Krypton Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common name for the compound having formal NaOH is Soda ash Caustic potash Caustic soda Sodium hydroxide Soda ash Caustic potash Caustic soda Sodium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The three elements most needed in common fertilisers are : Calcium, Phosphorous and Potassium Nitrogen, Potassium and Phosphorous Phosphorous, Sodium and Nitrogen Sulphur, Phosphorous and Sodium Calcium, Phosphorous and Potassium Nitrogen, Potassium and Phosphorous Phosphorous, Sodium and Nitrogen Sulphur, Phosphorous and Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used to extinguish fire is Carbon dioxide Carbon monoxide Neon Nitrogen Carbon dioxide Carbon monoxide Neon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of an atom is equal to the number of nucleons the number of neutrons the number of protons the number of protons and electrons the number of nucleons the number of neutrons the number of protons the number of protons and electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water gas is the combination of CO2 and CO CO2and H2 CO and H2O CO and H2 CO2 and CO CO2and H2 CO and H2O CO and H2 ANSWER DOWNLOAD EXAMIANS APP
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