Chemistry In a period from Li to F, ionisation potential Remains same Decreases Cannot be predicted Increases Remains same Decreases Cannot be predicted Increases ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to iodise common salt ? Iodine Potassium iodide Potassium iodate Sodium iodide Iodine Potassium iodide Potassium iodate Sodium iodide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 3 –3 to + 6 –3 to + 5 –3 to + 4 –3 to + 3 –3 to + 6 –3 to + 5 –3 to + 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most electropositive elements among the following is Ca K Na Cs Ca K Na Cs ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used for dating very old objects of archaeological importance? Carbon-14 Tritium Radium Phosphorus-31 Carbon-14 Tritium Radium Phosphorus-31 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compounds formed when hydrogen combines with p-block elements are called Polynuclear hydrides Metallic hydrides Molecular hydrides Ionic hydrides Polynuclear hydrides Metallic hydrides Molecular hydrides Ionic hydrides ANSWER DOWNLOAD EXAMIANS APP
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