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