Chemistry Supersonic jet causes pollution by thinning of O3 layer CO2 layer SO2 layer O 2 layer O3 layer CO2 layer SO2 layer O 2 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hard steel contains 0.5 to 1.5 per cent carbon 0.1 to 0.4 per cent carbon 2 to 5 per cent carbon 0.01 to 0.04 per cent carbon 0.5 to 1.5 per cent carbon 0.1 to 0.4 per cent carbon 2 to 5 per cent carbon 0.01 to 0.04 per cent carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon is a type of Polyamide Polyolefin Polyester Acrylic Polyamide Polyolefin Polyester Acrylic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a cause for present global warming and climate change ? Carbondioxide emission Deforstation CFC emission Methane emission Carbondioxide emission Deforstation CFC emission Methane emission ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is a carbohydrate ? Turpentine Hydrogen peroxide Nylon Cane-sugar Turpentine Hydrogen peroxide Nylon Cane-sugar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Solder is an alloy of Lead, zinc Sodium, lead Copper, lead Tin, lead Lead, zinc Sodium, lead Copper, lead Tin, lead ANSWER DOWNLOAD EXAMIANS APP