Chemistry Among the fuels given below, the one with highest calorific value is Wood Coal Coke Natural gas Wood Coal Coke Natural gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compounds formed when hydrogen combines with p-block elements are called Molecular hydrides Polynuclear hydrides Metallic hydrides Ionic hydrides Molecular hydrides Polynuclear hydrides Metallic hydrides Ionic hydrides ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is caused by the higher concentration of Nitrogen and Phosphorous ? Alkalinity Eutrophication Acidity Hardness Alkalinity Eutrophication Acidity Hardness ANSWER DOWNLOAD EXAMIANS APP
Chemistry Epsom salt is used In paper industry As purgative In making tooth paste In softening water In paper industry As purgative In making tooth paste In softening water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? Nickel and cadmium Iron and cadmium Zinc and carbon Lead peroxide and lead Nickel and cadmium Iron and cadmium Zinc and carbon Lead peroxide and lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ gives hardness to stainless steel. Carbon Zinc Lead Tin Carbon Zinc Lead Tin ANSWER DOWNLOAD EXAMIANS APP
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