Chemistry The source of energy that causes the least global warming is Geothermal energy Petroleum Natural Gas Coal Geothermal energy Petroleum Natural Gas Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most common salt in sea water ? Magnesium sulphate Potassium chloride Calcium carbonate Sodium chloride Magnesium sulphate Potassium chloride Calcium carbonate Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical properties of isotopes Need not be same Need not be different Must be same Must be different Need not be same Need not be different Must be same Must be different ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Neutrons Protons Electrons Positrons Neutrons Protons Electrons Positrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galvanised iron is made by coating iron with Sulphur Nickel Chromium Zinc Sulphur Nickel Chromium Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry When iron rusts, its weight Increases Remains the same Decreases First increases and then decreases Increases Remains the same Decreases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
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