Chemistry Which one is a naturally occuring noble gas Boron Argon Sodium Potassium Boron Argon Sodium Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Hydrogen peroxide Barium peroxide Sodium peroxide Ozone Hydrogen peroxide Barium peroxide Sodium peroxide Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is non-radioactive ? Plutonium Zirconium Thorium Uranium Plutonium Zirconium Thorium Uranium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Laughing gas is Nitrogen pentoxide Nitric oxide Nitrogen trioxide Nitrous oxide Nitrogen pentoxide Nitric oxide Nitrogen trioxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry 1 carat of diamond is equal to 200 mg 100 g 200 g 100 mg 200 mg 100 g 200 g 100 mg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as filler in tyre of rubber ? Graphite Coal Coke Carbon black Graphite Coal Coke Carbon black ANSWER DOWNLOAD EXAMIANS APP
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