Chemistry Which one of the following is not present in cement ? Alumina Gypsum Clay Alum Alumina Gypsum Clay Alum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals is used to galvanise iron ? Copper Mercury Lead Zinc Copper Mercury Lead Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Major portion of the earth’s crust is mainly constituted by Oxygen and Iron Silicon and Iron Silicon and Aluminium Oxygen and Silicon Oxygen and Iron Silicon and Iron Silicon and Aluminium Oxygen and Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water is saltier than rain water because Rivers wash away salts from earth and pour them into the sea Sea beds have salt producing mines Sea animals are salt producing The air around the sea is saltish Rivers wash away salts from earth and pour them into the sea Sea beds have salt producing mines Sea animals are salt producing The air around the sea is saltish ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as preservative for foodstuff ? Sodium Chloride Glycerine Picric acid Sodium Benzoate Sodium Chloride Glycerine Picric acid Sodium Benzoate ANSWER DOWNLOAD EXAMIANS APP
Chemistry By-product obtained by soap industry is Glycerol Caustic soda Caustic potash Naphthalene Glycerol Caustic soda Caustic potash Naphthalene ANSWER DOWNLOAD EXAMIANS APP