Chemistry Which of the following is usually not an air-pollutant? Sulphur dioxide Carbon dioxide Nitrous oxide Hydrocarbons Sulphur dioxide Carbon dioxide Nitrous oxide Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used for making aircrafts and rockets is Lead Aluminium Nickel Copper Lead Aluminium Nickel Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most common salt in sea water ? Sodium chloride Magnesium sulphate Potassium chloride Calcium carbonate Sodium chloride Magnesium sulphate Potassium chloride Calcium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The inert gases are ____ in water soluble insoluble None of these sparingly soluble soluble insoluble None of these sparingly soluble ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a common name for the substance which irritates lachrymal glands ? Laughing Gas Anaesthetic Gas Noble Gas Tear Gas Laughing Gas Anaesthetic Gas Noble Gas Tear Gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Warming Ammonium chloride with sodium hydrochloride in a test tube is an example of Isobaric system Open system Isothermal system Closed system Isobaric system Open system Isothermal system Closed system ANSWER DOWNLOAD EXAMIANS APP