Chemistry What is the product formed when sodium bicarbonate is heated strongly? Sodium Carbonate Sodium Monoxide Sodium Peroxide Sodium Hydroxide Sodium Carbonate Sodium Monoxide Sodium Peroxide Sodium Hydroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of6.023 × 1020 atoms present in one mole of a gas at STP is 6.023 × 1023 '6.023 × 10–20 6.023 × 1020 '6.023 × 10–23 6.023 × 1023 '6.023 × 10–20 6.023 × 1020 '6.023 × 10–23 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rutherford’s scattering experiment proved the presence of Nucleus in atoms Atoms in all matter Electrons in atoms Neutrons in atoms Nucleus in atoms Atoms in all matter Electrons in atoms Neutrons in atoms ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Carbon dioxide Sulphur dioxide Nitrous oxide Chlorofluorocarbon Carbon dioxide Sulphur dioxide Nitrous oxide Chlorofluorocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many atoms of oxygen are in a glucose molecule 6 3 4 10 6 3 4 10 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called : Galvanization Zinc plating Vulcanization Alloy formation Galvanization Zinc plating Vulcanization Alloy formation ANSWER DOWNLOAD EXAMIANS APP
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