Chemistry Baking soda is : Sodium hydroxide Sodium carbonate Potassium carbonate Sodium bicarbonate Sodium hydroxide Sodium carbonate Potassium carbonate Sodium bicarbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the main compound of voter ink? Ammonium Chloride Silver Chloride Silver nitrate Ammonium Nitrate Ammonium Chloride Silver Chloride Silver nitrate Ammonium Nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Positrons Protons Electrons Neutrons Positrons Protons Electrons Neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Nitrous oxide Sulphur dioxide Carbon dioxide Chlorofluorocarbon Nitrous oxide Sulphur dioxide Carbon dioxide Chlorofluorocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water gas is the combination of CO2 and CO CO and H2 CO and H2O CO2and H2 CO2 and CO CO and H2 CO and H2O CO2and H2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals occurs in free state ? Iron Copper Lead Zinc Iron Copper Lead Zinc ANSWER DOWNLOAD EXAMIANS APP
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