Chemistry Which among the following coal contains 90 per cent of carbon? Bitumen Peat Lignite Anthracite Bitumen Peat Lignite Anthracite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Ethane Methane Carbon di-oxide Carbon monoxide Ethane Methane Carbon di-oxide Carbon monoxide 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
Chemistry Pyrethrin used in mosquito coil is obtained from An insect A bacterium A fungus A seed plant An insect A bacterium A fungus A seed plant ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sour taste of lemon is due to the presence of which of the following ? Acetic acid Citric acid Formic acid Oxalic acid Acetic acid Citric acid Formic acid Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aspirin is chemically known as Hydroxysalicylate Acetylsalicylic acid Methyl salicylate Alkylsalicylic acid Hydroxysalicylate Acetylsalicylic acid Methyl salicylate Alkylsalicylic acid ANSWER DOWNLOAD EXAMIANS APP