1. Classify the following reaction. Sb2O3 + 3 Fe
1. Cl2 + 2Br- ® 2Cl- + Br2 formulae correct for elements 1 correct
1. Calculate the number of protons in the average
1. Calculate the molecular mass of table sugar sucrose
1. Bromine exists naturally as a mixture of bromine
1. Blood cholesterol levels are generally expressed as milligrams of
1. Balance the following equation. What is the sum of the coefficients
1. Balance the following equation. What is the sum
1. Atomic Structure and Periodic Table THE MASS SPECTROMETER
1. All the questions are compulsory. 2. Q. N
1. All matter is made up of
1. Alkali Metals - fh
1. a) Chemical 2. a) Physical b) Physical b) Chemical c) Chemical c
1. a) 25% b)86% 2. For my opinion, I think the way to make
1. 2.3 moles 2. 88.1 moles 3. 11.9 grams of Ca(OH)2 (HINT: TWO
1. (a) Write the electronic structure of a manganese atom and a Mn
1. (a) Propan-1ol, C2H5CH2OH can be oxidised to propanoic acid
1-Three states of matter . A: density, volume and weight B: solid
1-OCTANESULFONIC ACID SODIUM SALT ANHYDROUS HPLC
1-BUTANESULFONIC ACID SODIUM SALT
1-4