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Chemistry Q 01
1. A Compound Consists of 80% by mass of carbon and 20 by mass of hydrogen. Calculate its empirical formula. Ans: Empirical Formula C1:H3 CH3 C:H 80/12:20/1 moles = 6.667/6.667:20/6.667 divide by he smallest => 1:3 2.Which separating techniques can be used to separate a solution(mixture of a solute and solvent). Ans: Simple Distillation 3 Study the electronic configuration of sodium and chorine atoms -sodium: 2.8.1 -chorine: 2.8.7 what is the charges of sodium atom? Ans :Positive Charge 4.which non metal is used to sterilize water? Ans: Chlorine 5.Define the term isotopes? Ans: I isotopes are atoms of the same element having the same number of of protons but different number of neutrons. 6. An Acid is said to have a sour taste. What particle of an ACID is responsible for the sour taste? Ans: Hydrogen ion: Acidity is determined by the number of Hydrogen ion 7.Define a salt and give one examp...