Chemistry Copper is refined by Oxidation Electrolysis Roasting Zone refining Oxidation Electrolysis Roasting Zone refining ANSWER DOWNLOAD EXAMIANS APP
Chemistry When Hydrogen starts burning in air, it produces ? Methane Carbonic Acid Water Ammonia Methane Carbonic Acid Water Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry Catalytic converters are generally made from : Hydrogen Alkaline metals Carbon Transition metals Hydrogen Alkaline metals Carbon Transition metals ANSWER DOWNLOAD EXAMIANS APP
Chemistry Colour imparted to the Bunsen flame by strontium salt is Bluish green Crimson red Apple-green Brick red Bluish green Crimson red Apple-green Brick red ANSWER DOWNLOAD EXAMIANS APP
Chemistry In ice, the number of hydrogen bonds per water molecule is 1 4 2 8 1 4 2 8 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following vegetable oils does not contain essential fatty acids ? Coconut oil Groundnut oil Sunflower oil Mustard oil Coconut oil Groundnut oil Sunflower oil Mustard oil ANSWER DOWNLOAD EXAMIANS APP