Chemistry Baking soda is : Potassium carbonate Sodium carbonate Sodium bicarbonate Sodium hydroxide Potassium carbonate Sodium carbonate Sodium bicarbonate Sodium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper substances when exposed to air gains a green coating due to the formation of: CuCO3 Cu(OH)2 CuO Cu(NO3)2 CuSO4 CuCO3 Cu(OH)2 CuO Cu(NO3)2 CuSO4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ore of Aluminium is Hematite Chalco pyrites Bauxite Fluorspar Hematite Chalco pyrites Bauxite Fluorspar ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound that has the least value for octane number is : Iso-octane N-heptane 2-methyl heptane 2,2-dimethyl hexane Iso-octane N-heptane 2-methyl heptane 2,2-dimethyl hexane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electric fuse is an alloy of Zinc and lead Carbon and tin Copper and iron Tin and lead Zinc and lead Carbon and tin Copper and iron Tin and lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the mass percentage of carbon in carbon dioxide (CO2) 0.273 0.323 0.158 0.201 0.273 0.323 0.158 0.201 ANSWER DOWNLOAD EXAMIANS APP