Chemistry Which is the purest commercial form of iron ? Pig iron Wrought iron Stainless steel Steel Pig iron Wrought iron Stainless steel Steel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer of atmosphere absorbs: Ultraviolet rays Infra-red rays Cosmic rays. All radiations of Light Ultraviolet rays Infra-red rays Cosmic rays. All radiations of Light ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a noble gas ? Helium Neon Argon Hydrogen Helium Neon Argon Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Plastic is a type of None of these Acrylic Polymer Polyester None of these Acrylic Polymer Polyester ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a man-made source of air pollution ? All of these Bacterial action in soil and swamp areas Forest fire Automobile exhaust All of these Bacterial action in soil and swamp areas Forest fire Automobile exhaust ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hard steel contains 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 0.5 to 1.5 per cent carbon ANSWER DOWNLOAD EXAMIANS APP