Chemistry Which one of the following mineral does not contain oxygen ? Calcite Haematite Cryolite Bauxite Calcite Haematite Cryolite Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following laser types is used in a laser printer? Semiconductor laser Gas laser Excimer laser Dye laser Semiconductor laser Gas laser Excimer laser Dye laser ANSWER DOWNLOAD EXAMIANS APP
Chemistry Petroleum consists of a mixture of Carbonates Carbohydrates Hydrocarbons Carbides Carbonates Carbohydrates Hydrocarbons Carbides ANSWER DOWNLOAD EXAMIANS APP
Chemistry Wax used for making candle is chemically a mixture of Cyclic hydrocarbons Aliphatic and aromatic hydrocarbons Aromatic hydrocarbons Aliphatic hydrocarbons Cyclic hydrocarbons Aliphatic and aromatic hydrocarbons Aromatic hydrocarbons Aliphatic hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper substances when exposed to air gains a green coating due to the formation of: CuSO4 Cu(NO3)2 CuCO3 Cu(OH)2 CuO CuSO4 Cu(NO3)2 CuCO3 Cu(OH)2 CuO ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most extensive, commercially useful source of thorium as monazite sand occurs in India at Orissa coast West Bengal coast Gujarat coast Travancore coast Orissa coast West Bengal coast Gujarat coast Travancore coast ANSWER DOWNLOAD EXAMIANS APP