Chemistry What is the element required for solar energy conversion ? Ultra pure carbon Tantalum Beryllium Silicon Ultra pure carbon Tantalum Beryllium Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance most commonly used as a food preservative is Tartaric acid Sodium salt of benzoic acid Acetic acid Sodium carbonate Tartaric acid Sodium salt of benzoic acid Acetic acid Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used as a catalyst in the production of high octane fuels? HNO3 HCl HF H2SO4 HNO3 HCl HF H2SO4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Baryllium Sulphate is less soluble in water due to Lonic band Low Energy of dissociation High inflammable energy Low inflammable energy Lonic band Low Energy of dissociation High inflammable energy Low inflammable energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Sulphur dioxide Carbon dioxide Chlorofluorocarbon Nitrous oxide Sulphur dioxide Carbon dioxide Chlorofluorocarbon Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Bhopal gas tragedy' 1984 is related to which gas Carbon dioxide Aluminium Phosphide Methyl bromide Methyl isocyanate Carbon dioxide Aluminium Phosphide Methyl bromide Methyl isocyanate ANSWER DOWNLOAD EXAMIANS APP