Practice mode / Chemistry Copper can be converted into gold by? A Option A: Artificial radioactivity B Option B: heating C Option C: Electroplating D Option D: Chemical reaction Correct answer A. Artificial radioactivity Show answer Report a problem How we write and check questions
Question 01 / Chemistry Max Planck received the noble prize in Physics in 1918 for his discovery of? A Option A: electron B Option B: energy quanta C Option C: photon D Option D: positron Correct answer B. energy quanta Show answer Open question
Question 02 / Chemistry Bronze medal is made up of metals? A Option A: copper,nickel B Option B: copper, tin C Option C: copper, silver D Option D: copper, zinc Correct answer B. copper, tin Show answer Open question
Question 03 / Chemistry Radioactive isotope of Uranium used in Nuclear Bomb is? A Option A: 92 U 235 B Option B: 92 U 234 C Option C: 92 U 233 D Option D: 92 U 238 Correct answer A. 92 U 235 Show answer Open question
Question 04 / Chemistry The gas, commonly known as “laughing gas”, is A Option A: Carbon Dioxide B Option B: Sulfur Dioxide C Option C: Nitrous Oxide D Option D: Sodium Oxide Correct answer C. Nitrous Oxide Show answer Open question
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