Chemistry Which of the following is used in making smoke bombs? Phosphorus Sulphur Carbon Hydrogen Phosphorus Sulphur Carbon Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common name for the compound having formal NaOH is Sodium hydroxide Caustic potash Soda ash Caustic soda Sodium hydroxide Caustic potash Soda ash Caustic soda ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is caused by the higher concentration of Nitrogen and Phosphorous ? Alkalinity Acidity Eutrophication Hardness Alkalinity Acidity Eutrophication Hardness ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron is prevented from rusting by coating with zinc. This process is called as Corrosion Reduction Galvanisation Sublimation Corrosion Reduction Galvanisation Sublimation ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a common name for the substance which irritates lachrymal glands ? Tear Gas Anaesthetic Gas Laughing Gas Noble Gas Tear Gas Anaesthetic Gas Laughing Gas Noble Gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the atmosphere is mainly caused by Sulphur dioxide Nitrogen dioxide Chlorofluorocarbon Hydrogen sulphide Sulphur dioxide Nitrogen dioxide Chlorofluorocarbon Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
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