Chemistry Which of the following is not a precious/semi-precious stone? Ruby Pearl Sapphire Emerald Ruby Pearl Sapphire Emerald ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most extensive, commercially useful source of thorium as monazite sand occurs in India at West Bengal coast Travancore coast Gujarat coast Orissa coast West Bengal coast Travancore coast Gujarat coast Orissa coast ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a natural source of hydrocarbon? Petroleum Natural Gas Coal Mica Petroleum Natural Gas Coal Mica ANSWER DOWNLOAD EXAMIANS APP
Chemistry A thick paste of cement, sand and water is called Concrete Mortar Kiln R.C.C. Concrete Mortar Kiln R.C.C. ANSWER DOWNLOAD EXAMIANS APP
Chemistry Depletion of ozone layer causes Breast cancer Blood cancer Skin cancer Lung cancer Breast cancer Blood cancer Skin cancer Lung cancer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver halides are used in photographic plates because they are Reduced by light Oxidised in air Totally colourless Soluble in hyposolution Reduced by light Oxidised in air Totally colourless Soluble in hyposolution ANSWER DOWNLOAD EXAMIANS APP