Chemistry The material used in the manufacture of lead pencil is Carbon Mica Graphite Lead Carbon Mica Graphite Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid which is secreted by the glands in the stomach wall is Nitric acid Sulphuric acid Hydrochloric acid Phosphoric acid Nitric acid Sulphuric acid Hydrochloric acid Phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vinegar made by fermentation from cane sugar contains Lactic acid Acetic acid Citric acid Palmitic acid Lactic acid Acetic acid Citric acid Palmitic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical formula of washing soda is Na2CO3.10H2O Ca(OH)2 Na2SO4.10H2O NaHCO3 Na2CO3.10H2O Ca(OH)2 Na2SO4.10H2O NaHCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ gives hardness to stainless steel. Tin Zinc Lead Carbon Tin Zinc Lead Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The names of the scientists, Newlands, Mendeleev, and Meyer are associated with the development of periodic table of contents atomic structure metallurgy discovery of elements periodic table of contents atomic structure metallurgy discovery of elements ANSWER DOWNLOAD EXAMIANS APP