Chemistry Diamond is harder than graphite because of : Difference of crystalline structures Tetrahedral structure of diamond Difference in layers of atoms None of these Difference of crystalline structures Tetrahedral structure of diamond Difference in layers of atoms None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following processes is used for the production of Biodiesel ? Transcription Translation Transesterification Transamination Transcription Translation Transesterification Transamination ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is ozone depleting pesticide ? Benzene D.T. Ethylene ozonide Methyl bromide Benzene D.T. Ethylene ozonide Methyl bromide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Zinc Nickel Chromium Lead Zinc Nickel Chromium Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide bleaches colouring matter by : Oxidation Decomposition Dehydration Reduction Oxidation Decomposition Dehydration Reduction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is present under pressure in soft drinks? Carbon dioxide Nitrogen Nitrous oxide Oxygen Carbon dioxide Nitrogen Nitrous oxide Oxygen ANSWER DOWNLOAD EXAMIANS APP