Categories Science Atoms to Galaxies: Science Master Post author By Qbble Post date 24/10/2024 Science Pro: Ultimate Challenge 1 / 20 What is the pH of a neutral solution? 0 14 7 1 2 / 20 Which process involves the conversion of a solid directly into a gas without passing through the liquid state? Evaporation Melting Condensation Sublimation 3 / 20 What is the speed of light in a vacuum? 3 x 10^7 m/s 3 x 10^9 m/s 3 x 10^8 m/s 3 x 10^6 m/s 4 / 20 What causes the tides on Earth? The sun’s gravity Wind The Moon’s gravity Ocean current 5 / 20 Which of these is an Inert gas? Oxygen Nitrogen Hydrogen Helium 6 / 20 What is the pH value of pure water? 11 7 9 5 7 / 20 What is the chemical symbol for the element gold? Au Gd Ag Gr 8 / 20 What is the process of converting raw sugarcane into sugar called? Hydrolysis Distillation Crystallization Fermentation 9 / 20 What is the name of the point at which an object is balanced? Center of gravity Fulcrum Pivot Equilibrium point 10 / 20 Which of these is not a type of rock? Metamorphic Volcanic Igneous Sedimentary 11 / 20 Which of these is not a type of blood cell? Stem cells White blood cells Platelets Red blood cells 12 / 20 What is the SI unit of force? Pascal Watt Newton Joule 13 / 20 Which of the following is NOT a primary colour of light? Yellow Green Blue Red 14 / 20 Which layer of Earth’s atmosphere contains the ozone layer? Mesosphere Thermosphere Stratosphere Troposphere 15 / 20 Which of these is an alkali metal? Calcium Aluminum Lithium Zinc 16 / 20 Which part of the plant conducts the process of transpiration? Leaves Flowers Roots Stem 17 / 20 What type of bond is formed by the sharing of electrons? Hydrogen bond Metallic bond Covalent bond Ionic bond 18 / 20 Which law of motion states that 'For every action, there is an equal and opposite reaction'? Fourth Law Second law Third law First law 19 / 20 What is the main component of natural gas? Butane Propane Methane Ethane 20 / 20 Which of these is not a fundamental force of nature? Gravity Centrifugal force Strong nuclear force Electromagnetic force Your score isThe average score is 0% 0% Restart quiz Tags Science ← General Knowledge Quiz for Higschoolers → Battle of the Brains: Test Your History Knowledge