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Q1: On Mars gravity is one-third that on
Q6: Propane (C₃H₈ )reacts with oxygen (O₂)to form
Q18: What is the formula of copper(I)sulfide?
Q22: Refined white table sugar is usually derived
Q34: Hydrogen peroxide decomposes into water and oxygen
Q45: When oxygen,O₂,is passed through an electrical spark
Q73: Supercritical fluids require the use of special
Q96: In attempting to explain the line spectrum
Q141: Isotopes of an element have the same
Q189: The anion formed when oxygen gains two