Chemistry The metallic constituents of hard water are : Calcium, magnesium and iron Iron, tin and calcium Magnesium, tin and iron Magnesium, calcium and tin Calcium, magnesium and iron Iron, tin and calcium Magnesium, tin and iron Magnesium, calcium and tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a period from Li to F, ionisation potential Cannot be predicted Increases Remains same Decreases Cannot be predicted Increases Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following in automobile exhaust can cause cancer? Oxides of nitrogen Lead Carbon monoxide Polyclinic hydrocarbons Oxides of nitrogen Lead Carbon monoxide Polyclinic hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry If we burn graphite, No residue will be left It will not burn It will change into diamond Residue will be left No residue will be left It will not burn It will change into diamond Residue will be left ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carbon monoxide is an inflammable gas. Which one of the following is also inflammable? Helium Nitrogen Hydrogen Oxygen Helium Nitrogen Hydrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry German silver, an alloy, does not contain the metal Silver Copper Zinc Nickel Silver Copper Zinc Nickel ANSWER DOWNLOAD EXAMIANS APP
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