Chemistry Who first published the periodic table John Dalton Dmitri Mendeleev Julius Lothar Meyer Henry Moseley John Dalton Dmitri Mendeleev Julius Lothar Meyer Henry Moseley ANSWER DOWNLOAD EXAMIANS APP
Chemistry Petroleum is a mixture of Polymers Hydrocarbons Elements Salts Polymers Hydrocarbons Elements Salts ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hard steel contains 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 0.5 to 1.5 per cent carbon 0.1 to 0.4 per cent carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon threads are made of Polysaccharide Polyvinyl polymer Polyamide polymer Polyester polymer Polysaccharide Polyvinyl polymer Polyamide polymer Polyester polymer ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most common salt in sea water ? Potassium chloride Sodium chloride Magnesium sulphate Calcium carbonate Potassium chloride Sodium chloride Magnesium sulphate Calcium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Colour imparted to the Bunsen flame by strontium salt is Crimson red Brick red Apple-green Bluish green Crimson red Brick red Apple-green Bluish green ANSWER DOWNLOAD EXAMIANS APP