Chemistry When iron rusts, its weight Decreases First increases and then decreases Remains the same Increases Decreases First increases and then decreases Remains the same Increases ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galvanization of iron is carried out using Chromium Copper Tin Zinc Chromium Copper Tin Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal that is usually extracted from sea water is Mg Ca K Na Mg Ca K Na ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the best fuel in terms of energy released per gram of fuel? Hydrogen Butane Ethanol Methane Hydrogen Butane Ethanol Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element absorbed both in cation and anion form is Calcium Sulphur Nitrogen Phosphorus Calcium Sulphur Nitrogen Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the chemical symbol of mercury None of these Hg Mr Mg None of these Hg Mr Mg ANSWER DOWNLOAD EXAMIANS APP