Chemistry Which of the following vitamins is generally excreted by human in urine? Vitamin C None of these Vitamin D Vitamin B Vitamin C None of these Vitamin D Vitamin B ANSWER DOWNLOAD EXAMIANS APP
Chemistry The greenhouse effect is caused by the higher level of which gas in the atmosphere ? Nitrous oxide Carbon dioxide Sulphur dioxide Carbon monoxide Nitrous oxide Carbon dioxide Sulphur dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fuels causes minimum environmental pollution? Hydrogen Diesel Kerosene Coal Hydrogen Diesel Kerosene Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry When water itself combines chemically with some element or mineral it is called Carbonation Desilication Oxidation Hydration Carbonation Desilication Oxidation Hydration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Lime Sodium carbonate Alum Potassium Permangante Lime Sodium carbonate Alum Potassium Permangante ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents used for cleaning clothes and utensils contain Nitrates Bismuthates Bicarbonates Sulphonates Nitrates Bismuthates Bicarbonates Sulphonates ANSWER DOWNLOAD EXAMIANS APP
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