Chemistry Which metal is extracted from sea water? Magnesium Aluminium Potassium Beryllium Magnesium Aluminium Potassium Beryllium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Antacid tablets consist of Hydroxides of sodium and aluminium Hydroxides of magnesium and aluminium Hydroxides of sodium, magnesium and aluminium Hydroxides of magnesium and sodium Hydroxides of sodium and aluminium Hydroxides of magnesium and aluminium Hydroxides of sodium, magnesium and aluminium Hydroxides of magnesium and sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry One of the following is used to dissolve noble metals. That is Hydrochloric acid Sulphuric acid Aqua ragia Nitric acid Hydrochloric acid Sulphuric acid Aqua ragia Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Water vapour Carbon dioxide Ozone Carbon monoxide Water vapour Carbon dioxide Ozone Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The addition of gypsum to portland cement helps in : Increasing the strength of cement Preventing rapid setting of cement Rapid setting of cement Reduction in the cost of cement Increasing the strength of cement Preventing rapid setting of cement Rapid setting of cement Reduction in the cost of cement ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a period from Li to F, ionisation potential Decreases Cannot be predicted Increases Remains same Decreases Cannot be predicted Increases Remains same ANSWER DOWNLOAD EXAMIANS APP
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