Chemistry Electric bulbs are filled with : Argon Carbon dioxide Oxygen Nitrogen Argon Carbon dioxide Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is 'milk of magnesia' chemically? Magnesium carbonate Calcium hydroxide Sodium bicarbonate Magnesium hydroxide Magnesium carbonate Calcium hydroxide Sodium bicarbonate Magnesium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The greenhouse effect is caused by the higher level of which gas in the atmosphere ? Sulphur dioxide Nitrous oxide Carbon monoxide Carbon dioxide Sulphur dioxide Nitrous oxide Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Black lung disease occurs in people working in Organic solvents industry Electroplating industry Paint manufacturing industry Coal mines Organic solvents industry Electroplating industry Paint manufacturing industry Coal mines ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following acids is used in battery ? Sulphurous acid Hydrochloric acid Hydrofluoric acid Sulphuric acid Sulphurous acid Hydrochloric acid Hydrofluoric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is Carbon dioxide All of them Oxygen Hydrogen Carbon dioxide All of them Oxygen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
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