Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Sodium peroxide Hydrogen peroxide Ozone Barium peroxide Sodium peroxide Hydrogen peroxide Ozone Barium peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Except mercury which is the other metal that is liquid at standard conditions for temperature and pressure Barium Magnesium Lead Bromine Barium Magnesium Lead Bromine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Coating of solid waste with impervious material is known as Chemical fixation Landfill Capping Encapsulation Chemical fixation Landfill Capping Encapsulation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in making smoke bombs? Hydrogen Phosphorus Carbon Sulphur Hydrogen Phosphorus Carbon Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry A non-electronic conductor is Copper Sulphate Iron None of these Gas Carbon Copper Sulphate Iron None of these Gas Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of improving the quality of rubber by heating it with sulphur is called. Galvanization Acceleration Vulcanization Sulphonation Galvanization Acceleration Vulcanization Sulphonation ANSWER DOWNLOAD EXAMIANS APP
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