Chemistry Which of the following fuels causes minimum environmental pollution? Hydrogen Diesel Kerosene Coal Hydrogen Diesel Kerosene Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the earth’s atmosphere is Oxygen Krypton Nitrogen Argon Oxygen Krypton Nitrogen Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The greenhouse effect is caused by the higher level of which gas in the atmosphere ? Nitrous oxide Carbon monoxide Carbon dioxide Sulphur dioxide Nitrous oxide Carbon monoxide Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ gives hardness to stainless steel. Zinc Carbon Tin Lead Zinc Carbon Tin Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Vinegar' is a commercial name of Hydrochloric acid Acetic acid Oxalic acid Citric acid Hydrochloric acid Acetic acid Oxalic acid Citric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of vinegar is Ethanol Formaldehyde Acetic acid Acetone Ethanol Formaldehyde Acetic acid Acetone ANSWER DOWNLOAD EXAMIANS APP
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