Chemistry The most abundant element is Nitrogen Calcium Oxygen Silicon Nitrogen Calcium Oxygen Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method that cannot be used for removing permanent hardness of water is boiling adding caustic soda distillation adding sodium carbonate boiling adding caustic soda distillation adding sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fuels causes minimum environmental pollution? Diesel Kerosene Coal Hydrogen Diesel Kerosene Coal Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ? There is a violent explosion. There is a crackling sound There is no reaction. The paper ignites There is a violent explosion. There is a crackling sound There is no reaction. The paper ignites ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following acts as promoter for iron in Haber's process W Mn Mg Mo W Mn Mg Mo ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes ? Saltpetre Sodium chloride Hydrogen peroxide Borax Saltpetre Sodium chloride Hydrogen peroxide Borax ANSWER DOWNLOAD EXAMIANS APP
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