Chemistry Mercury is emitted into air by Burning coal Steam engine Coal fire Burning garbage Burning coal Steam engine Coal fire Burning garbage ANSWER DOWNLOAD EXAMIANS APP
Chemistry The minimum energy required for an effective collision is Threshold energy Internal energy Activation energy Free energy Threshold energy Internal energy Activation energy Free energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry The least preferred technique in the disposal of Municipal Solid Waste is Land filling Bricketting Composting Incineration Land filling Bricketting Composting Incineration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not coal variety? Lignite Peat Dolomite Bituminous Lignite Peat Dolomite Bituminous ANSWER DOWNLOAD EXAMIANS APP
Chemistry The important ore of aluminium is Haematite Cryolite Fluorspar Bauxite Haematite Cryolite Fluorspar Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms of same element having different mass numbers are called________ Isobars Isomers Isotones Isotopes Isobars Isomers Isotones Isotopes ANSWER DOWNLOAD EXAMIANS APP