/6 Science Quiz (for 12 to 16 years old): Quiz 12 1 / 6What is the formula of Newton’s laws of motion? E =mc2 ΣiIi = 0 F = ma 2 / 6What is the name of chemical which is used as a fixer in photography? Sodium thiosulphate sodium sulphate ammonium tetra sulphide 3 / 6Who gave the e=mc2 formula? Charles Darwin Isaac Newton Albert Einstein 4 / 6Atomic number is equal to? Number of protons Number of neutrons 5 / 6What is the formula of Newton’s 2nd Law? F=ma E=mc2 6 / 6What is the name of acid which is present in lemon? Citric Acid Acetic Acid Boric Acid Your score is 0% Restart quiz Next quiz Please rate the quiz Send feedback